INTELLIGENCE RACES TO FIND THE ASSAILANTS

One’s Chicago’s tense crossover concludes with Chicago P.D.s “In the Trenches: Part 3” on Jan. 29.

The final hour sees first responders racing against the clock to reach the trapped victims, as the suspects are still at large and conditions begin to worsen underground.

Meanwhile, the investigation into the assailants comes into focus.

“In the Trenches: Part 3” airs Wednesday, January 29 (10-11 p.m. ET) on NBC.

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CHICAGO P.D. -- "In The Trenches: Part III" Episode 12014 -- Pictured: Benjamin Levy Aguilar as Dante Torres -- (Photo by: Lori Allen/NBC)