Dr. John Gerdes, defense witness and director of a DNA lab in Denver, said the LAPD Crime Lab has a "sunstantial comtamination problem." ...

Supreme Court issues guidelines for maintaining DNA sample integrity in criminal cases to ensure accurate evidence collection ...

The Ventura County District Attorney’s Office and Sheriff’s forensic work led to arrest of suspect in 4 unsolved sexual ...

Dear PAO, Is a court order necessary in order for someone’s DNA to be tested? My friend’s 7-year-old niece was sexually abused by their neighbor, RR, at the vacant lot just a few meters away from my ...

Dateline has covered John Regan, a suspect in a series of decades-long r*pe cases. Dateline's report shows how police supplemented millennia of detective investigation with modern forensic science.