In June 1993, 35-year-old Jeanie Childs was found murdered in her apartment. Amongst the clues, there was a particularly unique one: bloody bare footprints. Investigators knew they had to belong to the killer because Childs had been found with her socks on. With no DNA match and no fingerprints to go on, the case went cold for decades. Years later, when the case was re-opened, investigators say those footprints helped them convict her killer.

Mike Sisco and his girlfriend Karen Harkness were gunned down in her Topeka, Kansas, home in 2002. Authorities believed it was a crime of passion. Sisco's daughter set out to help prove it was her mother, Dana Chandler, who was responsible.