NSC
Former Member
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Regarding DNA, would we assume that if there is a lot of DNA on a victim, they will run it all, and then would they not try to rule out persons based on their proximity, motive, etc.? They can save the matches and later on in investigation if there is other evidence (even hearsay) to connect a perp to the victim, they can BINGO with the DNA?
Morning Chickenpants,
I wanted to comment on the BBM "run it all" -- I don't think they run it all at one time and with every case unless they have an exact plan mapped out where they can look at everything they have and know where to go with it. I think it is more step by step for CONCLUSIVE tests and then the pre-lims of course which sometimes are not enough to make a determination esp if the DNA is that of someone Somer would have been in close contact with!!! It is MUCH harder to nail down that smoking gun if it is a fingernails or external DNA match because it could be argued and discredited in court without other evidence to back it up - such as lack of alibi, caught lying and contradicting.... However, sperm presence I think would make this 100% move at a faster pace - this is why I question whether or not she was assaulted sexually.
Another case I have worked on I have the privvy to having all the inside info of what is happending regarding the case, lack of arrest and DNA processing - it has been over a year and they are still processing the DNA as it was very little and they have to be VERY careful with what they recovered. - the decision was made NOT to run it all at one time. When and if to run the next test was a HUGE decision by LE- The person who would have killed the victim would be someone she was in VERY close contact with - making this complicate the case as far as making an arrest (need to have ALL DUCKS in row as complicated) and of course have all evidence to back up in court to get a conviction.
I think there is something complicated going on here. I also think if this was a 'stranger' perp - there would be more pressers about public safety and asking for continued public help.