Watch NCIS Online: Season 20 Episode 10Paul Dailly at .
Did the team manage to take down the killer?
On NCIS Season 20 Episode 10, a devastating suicide left everyone at an impasse.
However, things took a shocking turn when it emerged that someone wanted to kill various agents.
As a result, all three NCIS teams worked together to unmask the killer and save everyone they could.
How did it all play out when characters we've watched for years worked with NCIS agents from different cities?
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.