A father pushes a registered sex offender off of a building and threatens to kill a different sex offender each day until the cold-case unit solves his son's 1987 rape and murder.
Genres: Crime , Drama , Mystery
Keywords: cold-case , detective , female-detective , homicide-detective , investigation , murder-investigation , philadelphia-pennsylvania , police , police-detective , police-procedural , victim , watch-TV-series-online-free