Law and Order SVU 21x13 "Redemption In Her Corner" Season 21 Episode 13 Promo Trailer HD - Kat steps over the line when she suspects a trainer at her boxing gym is taking advantage of his students. Starring Mariska Hargitay, Ice T, Kelli Giddish, Peter Scanavino and Jamie Gray Hyder. Guest starring Manni Perez, Clayton Cardenas and Sumaya Bouhbal.