“9/11 Rescue Cops” (8 p.m., Discovery Channel): “9/11 Rescue Cops” is a new

“9/11 Rescue Cops” (8 p.m., Discovery Channel): “9/11 Rescue Cops” is a new documentary that tells the inspiring story of the heroism and sacrifices displayed by members of the NYPD’s elite Emergency Service Unit (ESU), which was tasked with rescuing as many people as possible — by any means possible — on Sept. 11, 2001.

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