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Started By
Message
re: Murder/rape from 28 yrs ago in Starkville solved
Posted on 1/20/19 at 12:26 am to weadjust
Posted on 1/20/19 at 12:26 am to weadjust
quote:
So your saying the DNA pointed to a family in the Rienzi, MS area population 381.
No, not necessarily.
I will give you a hypothetical example, since I don't know this case.
Let's say I'm investigating a murder in Los Angeles. I plug DNA into these databases and get a hit.
It gives me a name of someone that lives in Michigan and tells me it's a 3rd cousin named Bob Jones.
Now my next step is to dig into Bob Jones family tree. It may be as simple as calling and asking him.
If I can find a 3rd cousin of Bob that has spent any time in Los Angeles then I have a pretty damn good suspect to look at.
This post was edited on 1/20/19 at 12:40 am
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Posted on 1/20/19 at 1:12 am to Clutch Cargo
I've heard of better rape/murder stories happening in the quad 
Posted on 1/20/19 at 1:46 am to Clutch Cargo
Damn. It wasn’t Greg after all
Posted on 1/20/19 at 8:00 am to Golfer
quote:
The perp isn’t the one doing the Ancestory DNA test. It’s one of their immediate relatives, unbeknowst that their kin is a murderer or rapist.
Doesn't even have to be that close. The dirty cop in California got busted because a second or third cousin did 23 and Me.
Posted on 1/20/19 at 9:22 am to Clutch Cargo
quote:
How many folks are going to put their old uncle away unwittingly when law enforcement finds the match.
I've heard before that every baby born since 83 has their DNA in a federal database.
Having said that accountability needs to be taken into consideration.
Perhaps there will be a way in the future to alter DNA to produce a desired result. This would be great for getting rid of people you don't like.
Posted on 1/20/19 at 9:30 am to AUCE05
quote:yeah, but I would say that this guy thought he'd already gotten away with it and never dreamed that his DNA would be shared by a private company with LEO and checked against a cold case like that
Because those people are fricking insane.
Posted on 1/20/19 at 9:31 am to dcbl
How does a cigarette from 20y ago lead to arrest - chain of custody and all
Posted on 1/20/19 at 9:35 am to thelawnwranglers
Cigarette was from one he had recently smoked. I would imagine the initial DNA was sperm being a rape case.
Posted on 1/20/19 at 9:53 am to FlagLake
quote:
Cigarette was from one he had recently smoked. I would imagine the initial DNA was sperm being a rape case.
Oh makes sense
So dna test let them know where to look then they got cig to confirm
Posted on 1/20/19 at 9:57 am to thelawnwranglers
quote:
So dna test let them know where to look then they got cig to confirm
Correct.
Posted on 1/20/19 at 10:07 am to thelawnwranglers
In the Golden State Killer case, the cops submitted a sample and it matched a like a third cousin. IIRC, They researched the cousin and came up with something like 46 possible male relatives. They eliminated the ones who were too young or too old to have committed crimes in the 70s/80s and got down to around 20. Looking closer at them, the found the guy who had been a cop, was around the right age, and looked like a good suspect. They surveiled him and picked up a soda straw or cup from a fast food place. Collected his DNA, tested it and he was their guy.
I'm sure something similar happened in this case. The "new" cigarette butt DNA matched whatever was collected after the rapes.
I'm sure something similar happened in this case. The "new" cigarette butt DNA matched whatever was collected after the rapes.
Posted on 1/20/19 at 10:13 am to Tempratt
quote:
I've heard before that every baby born since 83 has their DNA in a federal database
If this were true, don't you think the closure rate on violent crimes would be much higher than it is over the past 15 or 20 years? If the gov't has everyone's DNA who is under ~35, don't you think they'd be using it?
Posted on 1/20/19 at 10:14 am to Clutch Cargo
GEDMatch is the website making this all possible.
There are forces that are actively working to prevent police from using this technique to narrow down suspects.
quote:
Private DNA test kits like Ancestry and 23andMe offer users downloads of their genetic code, which they can later upload to sites like GEDMatch. These private DNA bases are closed to law enforcement due to privacy concerns.
There are forces that are actively working to prevent police from using this technique to narrow down suspects.
Posted on 1/20/19 at 10:25 am to hob
quote:
There are forces that are actively working to prevent police from using this technique to narrow down suspects.
The only thing I can see happening is a requirement for a warrant before submitting the DNA to these sites.
This would be for the suspects rights, not for protection of the sites themselves.
Posted on 1/20/19 at 10:31 am to Cosmo
quote:
Why would you PAY somebody to TAKE your DNA? shite is insane. Somebody gave me a 23 and me gift thing for xmas. I sold it on ebay
Why would it matter if you didn’t rape or kill
someone?
Posted on 1/20/19 at 10:50 am to kciDAtaE
Because you might find out your father is a fricking serial killer.
Posted on 1/20/19 at 10:52 am to Clutch Cargo
Saw it on 48 hrs. Lady was a big State baseball fan and helped the team.
Posted on 1/20/19 at 10:53 am to Clutch Cargo
I saw this on TV last night and fully expected you to say that when they took him out of the car to do the perp walk we had wearing an Ole Miss Rebels shirt!!!
Regarding the Commercial DNA companies, 3 years ago 23 and me had over half a million individuals in their data base alone. When you add in the other companies you can start to see the data set they can pull from.
For instance, I’m adopted and did the test for kicks a few years back and had over 300 “relatives” pop up. Closes was a 3-5th cousin. But found my biological mothers family through that match. You had to go back to a great great grandparent to find the common ancestor. And there were lots of siblings in those generations (like 8-11), hence all the very distant cousin hits. But this is also how they can build out a family tree and discover potential suspects. Now that DNA testing is so inexpensive they can screen many people to rule them out. The technology has been there, but the confluence of better, cheaper tech and more individuals in the data base are making these discoveries possible.
Regarding the Commercial DNA companies, 3 years ago 23 and me had over half a million individuals in their data base alone. When you add in the other companies you can start to see the data set they can pull from.
For instance, I’m adopted and did the test for kicks a few years back and had over 300 “relatives” pop up. Closes was a 3-5th cousin. But found my biological mothers family through that match. You had to go back to a great great grandparent to find the common ancestor. And there were lots of siblings in those generations (like 8-11), hence all the very distant cousin hits. But this is also how they can build out a family tree and discover potential suspects. Now that DNA testing is so inexpensive they can screen many people to rule them out. The technology has been there, but the confluence of better, cheaper tech and more individuals in the data base are making these discoveries possible.
Posted on 1/20/19 at 11:16 am to NorCali
Great arrest and story on 48 hours last night like you said..I too was struck by the guy being arrested in Starkville, wearing a friggin Ole Miss shirt, after showing previous pics of him with Confederate flags in every pic..my gf, also an Ole Miss grad, asked me if I thought they just put that shirt on him! Thrilled for justice finally for the familiy’s and compelling story and investigation.
Posted on 1/20/19 at 11:35 am to NorCali
quote:
One recent study puts the chances that a search in GEDmatch will result in a match with a third cousin or closer at about 60%, where the search is for US individuals of European descent. (Unlike police databases, where black people are over-represented, in GEDmatch the bias runs the opposite way.)
quote:
Police databases, in contrast, can’t go much beyond detecting immediate family members such as parents, siblings, and children. The older technology has advantages, however – the profiles are cheaper to create and don’t need much, or as good quality, DNA.
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