The Keepers: How the internet is cracking cold cases & talking about dead people

As shown in the recently released Netflix docu-series, the Internet is good at cracking cold cases -- or at least gathering an abundance of tiny details and facts, which often seem to elude the police, in an effort to solve murders. And none of them were as cold -- and as twisted, we would later find out -- as the murder of Sister Cathy, a Baltimore nun who was a teacher at Seton Keough High School.