'A Killer in the Family': Former Denver DA co-founds familial DNA search company

'A Killer in the Family': Former Denver DA co-founds familial DNA search company

Familial DNA screening is a controversial tool used by only 12 states, including Colorado. The idea: when DNA from a crime scene doesn’t have a perfect match in the federal database, investigators can search for a near-match — a potential parent or a sibling.