When the team is called to investigate gun shots, they are confronted with a group of dangerous gunrunners, one of whom is Ed's brother.
When a highly-trained sniper sets booby traps and shoots someone at a city landmark that's in the process of being demolished, the SRU team is called in to identify him.
After hearing on the radio that a talk show host is holding a prominent politician hostage as revenge for a murder he thinks the man committed years ago, the SRU team races to rescue the politician by talking the host out of killing him live on-the-air.
While unraveling a mystery involving a dead computer genius and his ultimate invention, Doe wonders if he might have been part of the genius' experiments.
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