Blue Bloods

Season 8 Episode 21: The Devil You Know

Frank locks horns with a data-tracking company when they refuse to unlock a terrorist's phone that may hold information regarding upcoming targets. Erin obtains information about an impending murder from a shady source.

Genre:

Crime, Drama

Seasons:

14

Episodes:

293

Cast:

Tom Selleck, Donnie Wahlberg, Bridget Moynahan

Quality:

HD

Duration:

45 min

First Air:

2010

Rating:

7.8