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How police collected a suspected killer’s DNA without him knowing

November 10, 2019 / 01:12

This episode discusses the investigation of Brian Dripps, focusing on the collection of biological evidence, specifically DNA from cigarette butts. Key moments include the initial failure to collect the right sample and the eventual success in confirming a match with evidence from a crime scene.

The detectives developed a profile on Dripps, analyzing his daily routine to find opportunities for DNA collection. Their first attempt involved waiting for him to discard a cigarette butt, but they were unable to identify which one was his due to multiple butts on the ground.

After a period of surveillance, the team successfully collected another cigarette butt when Dripps discarded it. This time, they ensured it was the correct sample and sent it to the state lab.

The lab confirmed that the DNA matched the biological evidence found at the crime scene, marking a significant breakthrough in the investigation.

TLDR

Detectives successfully collect DNA from Brian Dripps' cigarette butts, confirming a match with crime scene evidence.

Episode

1:12
00:00:00
we developed a profile on mr. Dripps and we started to develop kind of a pattern
00:00:04
on him of what his day was like what his routine was and we were looking for a way to get that biological sample the
00:00:11
plan was to go out and surreptitiously collect his DNA just to verify that we had the right person so send another
00:00:18
detective team this time to Caldwell it was a lot of hours of sitting in your car and just waiting just always on this
00:00:24
edge of your seat waiting for that thing to happen that was gonna you know give us what we needed what we wanted but he
00:00:28
threw a cigarette butt out of the window of his truck by the time the detectors ran out into the road more cars had
00:00:34
driven by and blown the cigarette butt a little bit and there were a whole bunch
00:00:37
of cigarette butts on the ground and we couldn't tell which one belong to who we
00:00:41
thought we had it and like anything its success isn't isn't as great unless you taste a little bit of defeat I think
00:00:46
they had to go back to surveillance mode they watched and followed for about another 24 hours before they got another
00:00:53
crack added another cigarette butt went out a window they were prepared for it this time prepared to get it and make
00:00:58
sure it was the right ones they were able to collect that cigarette but then we sent out back to the state lab and
00:01:03
they confirmed that the biological sample that we've taken surreptitiously from Brian drips was a match for the
00:01:09
biological evidence it was left at the crime scene

Episode Highlights

  • DNA Collection Success
    After a long wait, detectives successfully collected a cigarette butt from the suspect, confirming his identity.
    “We confirmed that the biological sample was a match for the evidence at the crime scene.”
    @ 01m 03s
    November 10, 2019

Episode Quotes

  • Success isn't as great unless you taste a little bit of defeat.
    How police collected a suspected killer’s DNA without him knowing

Key Moments

  • Surveillance Mode00:46
  • Cigarette Butt Collection00:58
  • DNA Match Confirmation01:05