Watch Blue Bloods Online: Season 8 Episode 21

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Did Frank win the battle against a data-tracking company?

That was revealed on Blue Bloods Season 8 Episode 21 when they refused to unlock the phone of a terrorist which could have information on upcoming targets. 

Meanwhile, Erin tried to find out information about a murder from a source, but was it too late?

Also, Jamie and Eddie tried to locate a woman who kidnapped a newborn baby, but did the woman have a good reason for doing it?

Use the video above to watch Blue Bloods online right here via TV Fanatic. 

Get caught up with all the latest developments right now. 

Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.

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Blue Bloods Season 8 Episode 21 Quotes

I'll allow that you're half right about a very complicated subject, and I'll go take another run at Martin Post.


They couldn't put out a joint statement saying the sky is blue.