DNA that has been discovered inside Nancy Guthrie’s house can take “months or years” to process, according to the county ...

A forensic expert weighs in on the challenges investigators face in separating the mixed DNA evidence found in Nancy ...

Scientists traced Leonardo da Vinci’s Y chromosome through living relatives, a breakthrough that may confirm his true burial ...

Over his 34 years in prison, Shawn Tanner always maintained he was not guilty of murder, insisting on his innocence right up ...

April Stonehouse, a forensics professor at Arizona State University, analyzed key breakthroughs in the search to find Nancy Guthrie.

Over 34 years in prison, Shawn Tanner maintained he was not guilty of murder. A legal battle over whether the dead can clear their names will grant his final wish.

Salt Lake police have arrested a Cedar City man in connection with a 33-year-old cold case homicide. James Wallace Petersen ...

In a French criminal trial, conventional DNA analysis couldn’t distinguish between twin brothers, but emerging scientific ...

Investigators followed a trail of familial DNA matches to a man suspected of sexual assaults in Texas and Oklahoma in 2021, according to a Tuesday media release from the Texas Department of Public ...