Re: DNA evidence countermeasures?

2003-01-30 Thread John Kelsey
At 07:50 PM 1/28/03 +, Ken Brown wrote: ... Think - you are a suspect. They find 2 human DNA signals at the scene of the crime, one from you, one from someone quite different from you. Well, they can look for the other guy in their own time, but they've got you. If they are using a stringent

Re: DNA evidence countermeasures?

2003-01-29 Thread Major Variola (ret)
At 07:50 PM 1/28/03 +, Ken Brown wrote: Thomas Shaddack wrote: But now how to avoid leaving random DNA traces? What about giving up on NOT leaving traces and rather just use eg. a spray with hydrolyzed DNA from multiple people, preferably with different racial origin, Get some scurf from

Re: DNA evidence countermeasures?

2003-01-29 Thread Jim Choate
On Tue, 28 Jan 2003, Major Variola (ret) wrote: Get some scurf from expensive D.C. restaurants. PCRAmplify it up if you And be sure to open it -only- at the crime scene. If the investigator could grab a sample of the same mix of DNA at some other location that the suspect visits then they'd

Re: DNA evidence countermeasures?

2003-01-28 Thread Mike Rosing
On Tue, 28 Jan 2003, Thomas Shaddack wrote: Watching local TV, a police brass with three stars is talking about DNA (Using deeper-penetrating techniques it should be possible to do things like permanently change skin color, eg. by disabling or stimulating melanine production, or even achieve

Re: DNA evidence countermeasures?

2003-01-28 Thread Ken Brown
Thomas Shaddack wrote: But now how to avoid leaving random DNA traces? What about giving up on NOT leaving traces and rather just use eg. a spray with hydrolyzed DNA from multiple people, preferably with different racial origin, thus still leaving fragments like hair or skin cells, but

RE: DNA evidence countermeasures?

2003-01-28 Thread Trei, Peter
Thomas Shaddack[SMTP:[EMAIL PROTECTED]] Watching local TV, a police brass with three stars is talking about DNA evidence. Losing samples of DNA is quite inavoidable; hair falls out, skin peels, all you need to get for positive identification is one single cell. [...] Go and watch

DNA evidence countermeasures?

2003-01-28 Thread Thomas Shaddack
Watching local TV, a police brass with three stars is talking about DNA evidence. Losing samples of DNA is quite inavoidable; hair falls out, skin peels, all you need to get for positive identification is one single cell. After collecting the sample, you amplify it (create much more DNA

Re: DNA evidence countermeasures?

2003-01-28 Thread Steve Schear
At 07:13 PM 1/28/2003 +0100, Thomas Shaddack wrote: But now how to avoid leaving random DNA traces? What about giving up on NOT leaving traces and rather just use eg. a spray with hydrolyzed DNA from multiple people, preferably with different racial origin, thus still leaving fragments like hair