Ordering your own medical tests and at-home DNA kits can lead to its own set of problems.
Craig Coley was released in 2017 after DNA evidence helped prove his innocence in the slayings of his girlfriend and her young son.
The case of death row inmate Kevin Cooper may reflect poorly on Sen. Kamala Harris as she vies for the 2020 nomination.
Police used DNA on the napkin to link Jerry Westrom to the stabbing of a Minneapolis woman more than 25 years ago.
For nearly three decades, cops have been unable to find the identity of "El Dorado Jane Doe." But now, they've tracked down her family.
Chanel Lewis, whose DNA was found at the crime scene, pleaded not guilty to the suspected random attack.
New procedures aim to avoid misidentifications.
Newport Beach investigators also used DNA evidence to come up with new images of a possible suspect in Linda O'Keefe's death.
The president said at the Montana rally that he'd offer Sen. Elizabeth Warren $1 million for her favorite charity if she took a DNA test.
"We could finally have answers to one of the greatest whodunits of all time," a criminologist said.