July 27, 2026

Grandmother's House

Grandmother's House
Grandmother's House
Check The Locks Podcast
Grandmother's House

A 74-year-old woman opened her home to family, never imagining the greatest danger was already inside. After the beloved Kentucky grandmother is beaten to death, investigators uncover a case marked by unimaginable violence and a shocking piece of evidence that would become central to the prosecution. Join John Conner as he dives deep into the dark to discuss the murder of Cheri Kaye Oliver. Will this case be enough to make you check the locks?

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This episode of Check the Locks is dedicated, with love, to the memory of our friend Mathew Scott Halliday.

Sources:

‘Nothing short of animalistic’: Kentucky teen recorded himself beating grandmother to death with metal tumbler

Cheri Kaye Oliver Obituary Oct 8, 2024 - Swindler & Currin Funeral Homes

Erlanger man who beat his grandmother to death sentenced to life in prison

911 caller claims 18-year-old accused of killing grandmother with tumbler was ‘out of control’

19-year-old Northern Kentucky man sentenced for 'barbaric' murder of grandmother

Northern Kentucky man admits to killing his grandmother, was abusing acid at the time




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WEBVTT

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[SPEAKER_00]: Warning check the locks podcast is a true crime podcast and may contain graphic descriptions of violence, murder, sexual assault, and more.

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[SPEAKER_00]: Check the locks podcast is not appropriate for all listeners.

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[SPEAKER_00]: Listener discretion is strongly advised.

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[SPEAKER_01]: In Kentucky, a 74-year-old woman opens her home to her grandson struggling with addiction issues.

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[SPEAKER_01]: But in a drug-filled rage, she would be violently eaten to death.

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[SPEAKER_01]: Leaving many to wonder why.

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[SPEAKER_01]: Join me, John Connor, as I discussed the murder of Sherry Oliver.

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[SPEAKER_01]: This is Check-A-Lock's podcast.

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[SPEAKER_01]: Hello, and thank you for joining me as I dive into yet another truly terrifying true prime case.

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[SPEAKER_01]: Before we get started, as always, I hope you're doing well.

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[SPEAKER_01]: I hope that you are having a great week and beaten this summer heat.

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[SPEAKER_01]: I know here in Tennessee is continued to stay hot all summer.

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[SPEAKER_01]: And when it hasn't been scorching hot, it has been raining.

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[SPEAKER_01]: So hopefully you're staying dry and staying cool.

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[SPEAKER_01]: this week.

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[SPEAKER_01]: I know that I had mentioned we were going to get back to normal episodes, but I got some feedback from some listeners who had said, hey, the short on time to the last couple of weeks with having the kids out of school and stuff like that has actually been kind of cool because they can get through it really quick and

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[SPEAKER_01]: You know, when the kids are home, there's some content that we just can't dive into the same way that we do when they're in school or something like that.

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[SPEAKER_01]: So we're actually going to close out the month of July with another short on-time case.

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[SPEAKER_01]: This is a breaking one that has happened in Kentucky.

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[SPEAKER_01]: We're going to talk about that here in just a minute, but I would like to hear from you if you like the short on-time episodes in the summer.

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[SPEAKER_01]: Let me know.

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[SPEAKER_01]: I know again.

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[SPEAKER_01]: I'm a parent.

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[SPEAKER_01]: I know Millies with me a lot during the summer and we're running around and doing all sorts of stuff and it may be hard to sit through a normal episode after Pause it and jump back into it or anything like that.

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[SPEAKER_01]: So if you're one of those people who like the shorter episodes during the summer, please reach out.

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[SPEAKER_01]: Let me know.

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[SPEAKER_01]: You can let me know in the Facebook group or send me a DM or email at contact at checkbox.com

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[SPEAKER_01]: I want to make sure that especially through the summer and stuff like that, that we are kind of accommodating and putting out the show in the way that works the best for the people who like listening to it.

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[SPEAKER_01]: So definitely drop me a line and let me know maybe next summer, you know, in those few months, we might just do only short on times for the summer season and then go back to the regular episodes, you know, once school starts and everything like that.

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[SPEAKER_01]: So again, this is just me now.

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[SPEAKER_01]: Figure out what this looks like going forward.

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[SPEAKER_01]: So if that works better for you if you enjoy them or if you want those regular episodes Just let me know drop me a line.

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[SPEAKER_01]: I would love to hear from you.

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[SPEAKER_01]: With that being said I'm gonna quit the Gabby Gabby get to the stabby stabby I'm gonna go ahead and jump into this week's story on October 8th 2024 9-1-1 dispatchers and Kuppington Kentucky received a frantic phone call

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[SPEAKER_01]: According to the woman on the other end, her 18-year-old nephew was out of control and attacking his grandmother.

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[SPEAKER_01]: Officers from three northern Kentucky agencies were dispatched to the home aware of the act of assault.

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[SPEAKER_01]: They would arrive at the resident shortly after 2 p.m. Only defined 18-year-old Wyatt Testerman covered in blood and standing outside.

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[SPEAKER_01]: When officers entered the home, they made a terrifying discovery.

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[SPEAKER_01]: there, badly beaten and lying in a pool of her own blood, with 74-year-old Cheri Kay Oliver.

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[SPEAKER_01]: Cheri was immediately transported to the University of Cincinnati Medical Center, but once there, she would succumb to her injuries and sadly pass away.

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[SPEAKER_01]: In autopsy, with later reveal that the cause of death was blunt force trauma to the head.

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[SPEAKER_01]: Now, Testerman was arrested at the scene, and according to reports, he had several outbursts in the back of the patrol car by being transported to the jail.

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[SPEAKER_01]: Investigators now needed to find out why an 18-year-old kid would beat his own grandmother to death.

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[SPEAKER_01]: Sherry seemed to have a kind heart.

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[SPEAKER_01]: She was involved with her local church, as well as volunteering for a local women's shelter and for Alonon, an organization dedicated to helping friends and family members of those who suffer with substance abuse issues.

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[SPEAKER_01]: Detectives learned that Testerman had come to live with his grandmother after being released from the hospital for an LSD overdose.

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[SPEAKER_01]: And according to the family, Sherry was thrilled to have her grandson living with her, saying that he was helpful around the house with running errands and taking his grandparents to appointments.

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[SPEAKER_01]: But at some point, the 18-year-old began taking drugs again, believing that it made his mind stronger and sharper.

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[SPEAKER_01]: And on October 8, 2024, he texted his mother, telling her that he was going to kill his grandmother.

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[SPEAKER_01]: But before he did, Testerman took Sherry's phone and said it to video record.

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[SPEAKER_01]: He then propped it up against the metal drinking tumbler, his grandmother in the center of the frame.

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[SPEAKER_01]: Testerman then moved a rug and a coffee table and closed the blinds.

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[SPEAKER_01]: After he attacked, beating Sherry with his fists and stomping on her once she was on the ground.

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[SPEAKER_01]: Even using the metal tumbler he had propped up the phone with to strike her, hitting his grandmother over 40 times, and capturing the entire event on video.

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[SPEAKER_01]: At some point during the attack, Testerman stopped, staring at the blood on his knuckles and checking to see if his grandmother was still alive.

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[SPEAKER_01]: And when he determined that she was, he continued to beat the woman mercously.

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[SPEAKER_01]: Why a testerman would plead guilty but mentally ill?

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[SPEAKER_01]: With the defense claiming that he was in the depths of a drug and do psychosis.

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[SPEAKER_01]: but the prosecution disagreed.

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[SPEAKER_01]: They didn't think that voluntarily taking these types of substances qualified Testerman for an insanity defense.

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[SPEAKER_01]: Testerman's lawyers would request a sentence of 20 years, but because of the violent nature of the crime and the chilling video that was captured, the judge sided with the prosecution, and on July 7th, 2026,

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[SPEAKER_01]: Judge Patricia Somme sentenced Testerman to life in prison with a possibility of parole after serving 20 years, saying, she moaned enough to get your attention, and the attention it drew was meanness.

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[SPEAKER_01]: That's not just something that drugs do.

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[SPEAKER_01]: That's something that is there.

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[SPEAKER_01]: So that's this week's case and there's always I wanted to share a few final thoughts before we close it up.

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[SPEAKER_01]: So I have to say that this case, I didn't know it when I was first looking into it, but as I went through and was doing the research and reading about what kind of woman that Sherry was, this resonated with me in a way that I was not expecting.

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[SPEAKER_01]: A lot of people who listen to this podcast know that I lost my grandmother a couple of years ago, and

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[SPEAKER_01]: going through and reading about Cheri, they had a lot of similarities.

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[SPEAKER_01]: My grandmother was one of the first special Olympics coaches in the state of Michigan.

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[SPEAKER_01]: My grandmother was also a deacon in the Presbyterian church who was very involved with her church.

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[SPEAKER_01]: She spent her time volunteering and mentoring under privileged use as well.

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[SPEAKER_01]: So she was very involved in her community and trying to help make the lives of other people better.

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[SPEAKER_01]: And it's something that, you know, even to this day that

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[SPEAKER_01]: I wish I would have known more about as an adult and been able to have those conversations with her and when you're a little kid, you don't really know these things, right?

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[SPEAKER_01]: And you get older and it's like, oh man, now that I know more and I'm going to adult myself, I've just loved to pick your brain about these things and learn a little bit more.

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[SPEAKER_01]: And so as I was going through and reading about Cheri, I found myself thinking about my grandmother and

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[SPEAKER_01]: what kind of person the she was and you know again it's probably just me projecting my own grandmother onto cherry or things like that but it just felt very relatable in a sense and then to think that her own grandson and 18 years old could beat her so violently and so intensely

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[SPEAKER_01]: You know, I have one of those awalicups, uh, mind's one of the bigger ones.

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[SPEAKER_01]: They're all the rage right now.

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[SPEAKER_01]: They're like the new Stanley or whatever.

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[SPEAKER_01]: But, you know, I was drinking water out of that awalicup.

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[SPEAKER_01]: Why I was doing the research.

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[SPEAKER_01]: And I was just was like, man, the thing is so heavy.

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[SPEAKER_01]: I can't imagine the commitment that it would take to like hit somebody with this thing.

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[SPEAKER_01]: You know, so to know that this 18 year old kid is just swinging and kicking and hitting his own grandmother with this heavy cup and then video taping it and like telling people what he's going to do, it was just very disturbing on a lot of different levels.

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[SPEAKER_01]: And I, again, because I think I relate Cherie so much to my own grandmother, I think it just made it that much more unsettling to me.

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[SPEAKER_01]: This one was really hard, and as I was going through the research, I was also finding that not only were Tesserman's lawyer saying, oh, hey, this was drug-induced psychosis, and he just got back on the LSD and on the acid, and he didn't know what he was doing, but they were also claiming that he believed it was self-defense for weeks after the event that, you know, I thought my grandmother was attacking me, and so I had to, you know, fight her back, and that's why

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[SPEAKER_01]: But me personally, reading that you set up the phone, you sent this text message.

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[SPEAKER_01]: You recorded this incredibly brutal act.

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[SPEAKER_01]: Nothing about that to me says psychosis.

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[SPEAKER_01]: That is something that is very much planned.

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[SPEAKER_01]: That is something that you're very aware of.

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[SPEAKER_01]: It premeditated.

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[SPEAKER_01]: I mean, this was just an absolutely beastly thing to do.

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[SPEAKER_01]: So if we're talking about Bulltess, I would definitely put this one at like a nine to be a hundred percent honest with you because there's just something so terrifying about the fact that as someone who loves your family, you would open your doors, you would say, hey, I know you've been going through a hard time, but please, like, come in.

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[SPEAKER_01]: I want to help you, I want to, you know, get you through this rough time.

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[SPEAKER_01]: You have people who love you.

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[SPEAKER_01]: You have people who support you.

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[SPEAKER_01]: I just want to help you get back on your feet.

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[SPEAKER_01]: And then to be brutalized in such a way.

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[SPEAKER_01]: Bye.

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[SPEAKER_01]: something that like, you know, is part of you.

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[SPEAKER_01]: You know what I mean?

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[SPEAKER_01]: It's your grandchild.

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[SPEAKER_01]: Like, it is fundamentally down to the DNA.

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[SPEAKER_01]: It is a part of you as a person.

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[SPEAKER_01]: And, you know, I know as a kid, my grandma was really tough, but she loved us more than anything.

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[SPEAKER_01]: And, to think that,

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[SPEAKER_01]: you could do that kind of harm to someone who not only loves you in that way, but is willing to open up their home and say, like, hey, please, like, come here.

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[SPEAKER_01]: Let me help you is absolutely terrifying.

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[SPEAKER_01]: So for me, this is going to be a nine, but as always, I want to hear from you.

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[SPEAKER_01]: The listeners, the locksmiths.

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[SPEAKER_01]: Where does the murder of Sherry K Oliver fall on your deadbolt test?

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[SPEAKER_01]: You can let me know, reach out on Instagram, check blocks.

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[SPEAKER_01]: POD, you can find me on Twitter, check the locks.

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[SPEAKER_01]: And if you're not in a Facebook group, what the heck are you doing?

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[SPEAKER_01]: We had some great conversation in there over last week's case.

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[SPEAKER_01]: Had a few people say, hey, if I got a tack by a man like that in the park, I'm going straight for the junk, which I 100% agree with.

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[SPEAKER_01]: You do what you got to do to stay safe.

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[SPEAKER_01]: So again, it's a great place.

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[SPEAKER_01]: one of the best places on the internet.

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[SPEAKER_01]: I'd say every week.

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[SPEAKER_01]: So if you'd like to be a part of that community, there is a link in the description of the episode that you're listening to, click that link and answer a few questions and then boom, you are part of that Facebook group.

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[SPEAKER_01]: Check it out.

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[SPEAKER_01]: I would definitely love to have you.

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[SPEAKER_01]: And as always, if you like the podcast, you want to help support the show.

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[SPEAKER_01]: You can do so by becoming a patron.

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[SPEAKER_01]: Head over to patreon.com for us.

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[SPEAKER_01]: Check the loss.

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[SPEAKER_01]: Get signed up today.

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[SPEAKER_01]: Got a lot of great tiers, benefits like stickers, coffee, mug, stuff like that.

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[SPEAKER_01]: And I try to get them out early when I can as well.

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[SPEAKER_01]: This episode, I should be going up early on Patreon today.

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[SPEAKER_01]: So if you like the podcast, but you hate commercials, you want to help support the show.

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[SPEAKER_01]: The best way to do that is Patreon.

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[SPEAKER_01]: So again, if you want to help me out, that's patreon.com for us.

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[SPEAKER_01]: Let's check the loss and get signed up today.

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[SPEAKER_01]: And if you can't find any choice to board the show, I definitely understand, just listen and hang it out with me, share in the show with your friends, your family, the people who are important to you, it means just as much if not more.

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[SPEAKER_01]: Again, this is a small independent podcast and whenever you share it, it helps bring new members into our community and that's what is really important when it comes to that grassroots growth.

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[SPEAKER_01]: So again, if you're sharing this podcast in any way, just know that I appreciate you more than I could ever tell you.

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[SPEAKER_01]: That's all that I have for you for this week's case, but please make sure that you're subscribed to check the locks on your favorite podcast apps so that you never miss an episode.

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[SPEAKER_01]: I will see you again next week with another truly terrifying true crime case, but until then remember, monsters are real, so stay safe, stay ready, and don't forget to check the locks.

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[SPEAKER_01]: See you next week.