Blue Bloods · Season 8

The Devil You Know

S8·E21 · 4 May 2018 · 45m

Synopsis

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.

Cast & crew

Crew

  • John BehringDirector
  • Allie SolomonWriter