520 – Shockwave, Pt 1

“Shockwave, Pt 1” – Wednesday, April 5, 2017 at 9 p.m. (ET/PT)

A murder investigation turns explosive while Captain Raydor duels with Chief Davis for control of her case as she and her squad try to determine if they are dealing with a terrorist. Meanwhile, Rusty gets some alarming news from Gus.