What was the motive the latest killer had?
That's what Special Agents Maggie Bell and OA Zidan tried to find out on FBI Season 1 Episode 4 when they rushed to the scene of an active sniper.
With the body count rising by the minute, the duo had to keep their wits about them when they realized there was no way to keep everyone away from the area.
Who stepped in to help out?
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.