"In Minnesota here, people are not committing crimes a lot of times with the socks and shoes off," said a forensic scientist about footprints left in the victim's blood.
In 1993, Jeanie Childs was found stabbed more than 60 times in her Minneapolis apartment. Bloody footprints and unknown DNA left investigators without answers until a 2015 cold-case review and public DNA database finally pointed to a suspect.
