Blue Bloods: Season 2 Episode 4: Innocence
Starring: Donnie Wahlberg, Bridget Moynahan, Will Estes, Len Cariou, Anastasia Barzee, Tom Selleck, Jennifer Esposito, Philip Ettinger
Length: 43 minutes
On Air Date: 14 Oct 2011
Blue Bloods: S02E04 Description: Erin reopens an 18-year-old rape case, in which Frank was the arresting officer. Meanwhile, Danny and Jackie investigate the murder of three teenagers in a park, who seemed to have been killed for no reason.