Battle Programmer Shirase
Carver Kings

Watch Blue Bloods Season 8 Episode 21 - The Devil You Know

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Blue Bloods Season 8 Episode 21

First Aired: May 4, 2018

Description: Frank goes head-to-head with a data-tracking company when they refuse to unlock the phone of a terrorist that may hold information regarding upcoming targets. Also, when Erin obtains information about an impending murder from a shady source, she gets Danny and Baez involved, despite the questionable More