Poison has evolved.
That's what the team learned on FBI Season 1 Episode 2 when it emerged that eight people had been fatally poisoned at a deli in New York City.
With little in the way of leads, Maggie Bell and OA Zidan had to keep their wits about them when they pursued an unlikely culprit.
In true crime drama fashion, there was more to this culprit than they first anticipated.
With that, they had to use every resource to take the killer down before more people were killed.
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.