Blue Bloods: Season 6 Episode 12: Back in the Day
Starring: Donnie Wahlberg, Bridget Moynahan, Will Estes, Amy Carlson, Marisa Ramirez, Sami Gayle, Treat Williams, Gregory Jbara
Length: 41 minutes
On Air Date: 8 Jan 2016
Blue Bloods: S06E12 Description: Frank worries that a tell-all book about his old cop days will affect his career as PC. Meanwhile, Erin and DA Investigator Abetemarco investigate the murder of another DA Investigator in a bar where they wind up in a conspiracy.