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Police collect a cigarette butt to help close a decades-old cold case

November 12, 2022 / 05:58

This episode covers the cold case of Roxanne Wood's murder, the role of genetic genealogy in solving it, and the investigative efforts by law enforcement and students.

On February 19, 1987, Terry and Roxanne Wood had dinner and went bowling in Niles, Michigan. After saying goodbye, Terry returned home to find Roxanne murdered in their kitchen.

Decades passed with no leads until a professor at Western Michigan University initiated a Cold Case project involving students to digitize case documents. This effort helped streamline the investigation.

Consultant Gabrielle Vargas from Identifinders International used genetic genealogy to create a profile of the suspect, leading to Patrick Gillum as a prime suspect. Investigators needed his DNA for confirmation.

Trooper Ryan Cotty and his team surveilled Gillum, eventually collecting a cigarette butt he discarded. DNA testing confirmed it matched the evidence from the 1987 crime scene.

TLDR

Roxanne Wood's cold case was solved using genetic genealogy and innovative investigative techniques.

Episode

5:58
00:00:00
oh my God my wife has been murdered my wife has been murdered February 19 1987 started out as a typical Thursday
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evening for Terry and Roxanne wood after work they met for dinner at a restaurant
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in downtown Niles Michigan and then went to their local bowling alley both arriving in separate cars
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at around midnight Roxanne was ready to head home but her husband Terry wanted to stay to play one more game there's
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Witnesses where Terry and she said goodnight to each other hug kiss love you drive safe he arrived home 45
00:00:39
minutes after her and once in their home He Came Upon a horrific site notices Roxanne laying in the kitchen he notices
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a pool of blood on the floor she was bleeding profusely from her neck she was sexually assaulted the assailant
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left his DNA a sample was preserved but given the limitations of Technology back
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in 1987 not much could be done with it the case went cold decades went by and police still had no
00:01:11
leads in the murder of Roxanne wood I was starting to lose hope Dr Ashland Kirsten and I had been
00:01:27
talking about involving the students at Western in a Cold Case project in 2020 a
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criminal justice studies professor at Western Michigan University figured out a way to speed up the investigation with
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the help of several students their plan the students would process around 3 500 pages of documents into a single
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digitized database the officers are able to search by name and see if they've already been interviewed if they needed
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a follow-up they can search locations things that they wouldn't be able to do just flipping through thousands of pages
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around the same time the students began their work detective Christensen hired identifinders International a company
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that specializes in genetic genealogy to try and come up with a genetic profile of the killer I believed that this case
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was extremely solvable and I believe that I could Solve IT Gabrielle Vargas who worked as a consultant for
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identifinders is considered by some investigators to be one of the world's best genetic genealogists
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the first thing that I died was I requested access to the case File it was very easy to read through
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quite quickly due to the work of the students Vargas was able to create a genetic profile of the suspect and later
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with the help of an online DNA service started building a family tree of Roxanne's killer
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this couple was born around 1920. based on that we can presume that they would have kids around 1940 maybe 1950. it
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would have to be one of their children the couple had three sons but detectives quickly eliminated two of The Three
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Brothers as possibilities he's been involved in a lot of different things violent things violent things
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sexual deviant things you name it he's probably been involved in it and you connect the DNA with someone who has a
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history of violent Behavior you got yourself a suspect absolutely the individual they identified was Patrick
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Gillum but investigators still needed a piece of gillum's DNA to compare to the DNA they had found at the scene of
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Roxanne Woods murder in May 2021 Trooper Ryan cotty and his team surveilled Gillum for days on end and picked up a
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crucial clue that would help them collect his DNA we noticed that he was a smoker and why
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does that help you just in the simple fact that uh you know when you're smoking it's a great source of DNA you
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have your lips directly on the butt of the cigarette and your saliva gets in the cigarette hot on gillum's tail the
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team witnessed Gillum flick a cigarette butt outside the window while he was driving but when they sent the cigarette
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to the lab for testing it wasn't a match well you were scratching our heads I called the trooper that grabbed that
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cigarette butt and I said is there any way at all that you lost sight of that when it flipped out of his finger
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and he said a card to go by right then it was possible the cigarette wasn't gillums so Katie went back to work
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he pulled into this laundromat which we saw as a window of opportunity that he would most likely be coming out to take
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a smoke break I'm not a smoker and there was a gas station right over on the corner that I
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saw and I I was like well you know I need to go over and get a pack of cigarettes and sit on the The Crib next
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to the laundromat he came and took a seat probably about six to eight feet away from me and we had a smoke together
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so how did you strike up a conversation with him I just tried to say hi to him made some small conversation he liked
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the Red Wings it wasn't long before Gillum finished his cigarette and went back inside
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I saw him throw his cigarette which was right in about this area so it was a great situation because the
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cigarette was by itself so I pull out a uh a glove and go over and I picked the cigarette up with my hand was it still
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small it was it was still warm yes it was so I wrapped it up inside that glove I stuck it in my pocket and and headed
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out investigators held their breath until the results of gillum's cigarette butt came back this time it was a
00:05:47
perfect match to the DNA left at the 1987 crime scene

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  • 75
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Episode Highlights

  • Cold Case Revival
    Decades later, a professor and students at Western Michigan University revived the investigation.
    “I was starting to lose hope.”
    @ 01m 08s
    November 12, 2022
  • DNA Breakthrough
    Investigators identified Patrick Gillum as a suspect through genetic genealogy and DNA evidence.
    “I believed that this case was extremely solvable.”
    @ 02m 17s
    November 12, 2022
  • Crucial Clue
    Surveillance of Gillum led to the collection of a cigarette butt for DNA testing.
    “We noticed that he was a smoker.”
    @ 03m 47s
    November 12, 2022
  • Match Found
    The DNA from Gillum's cigarette butt matched the evidence from the 1987 crime scene.
    “It was a perfect match to the DNA left at the 1987 crime scene.”
    @ 05m 49s
    November 12, 2022

Episode Quotes

  • I was starting to lose hope.
    Police collect a cigarette butt to help close a decades-old cold case
  • I believed that this case was extremely solvable.
    Police collect a cigarette butt to help close a decades-old cold case
  • We noticed that he was a smoker.
    Police collect a cigarette butt to help close a decades-old cold case
  • It was a great situation because the cigarette was by itself.
    Police collect a cigarette butt to help close a decades-old cold case

Key Moments

  • Cold Case01:08
  • Investigation Revival01:24
  • DNA Identification02:17
  • Cigarette Clue03:47
  • Match Found05:49

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