Law & Order: Special Victims Unit - Season 24 - Eps 21: Bad Things (I)
Benson and Carisi are baffled when a series of assaults have the same M.O. but different DNA at each crime scene. Muncy believes Elias Olsen has struck again and is determined to prove it. The crossover continues on Law & Order: Organized Crime S03E21 Shadowërk (II), Law & Order: Special Victims Unit S24E22 All Pain Is One Malady (III), and Law & Order: Organized Crime S03E22 With Many Names (IV).
About Law & Order: Special Victims Unit

Title: Law & Order: Special Victims Unit
First Air Date: 1999-09-20
Last Air Date: 2025-10-02
Status: Returning Series
Rating: 7.939/10 (from 4031 votes)
Language: EN
Seasons: 28
Total Episodes: 579
Network: NBC
Genres: Crime, Drama, Mystery
Production Companies: Wolf Entertainment, Universal Television, Studios USA, Universal Media Studios
Synopsis
In the criminal justice system, sexually-based offenses are considered especially heinous. In New York City, the dedicated detectives who investigate these vicious felonies are members of an elite squad known as the Special Victims Unit. These are their stories.
Cast

Mariska Hargitay
Olivia Benson

Ice-T
Odafin 'Fin' Tutuola

Kelli Giddish
Amanda Rollins

Peter Scanavino
Dominick 'Sonny' Carisi Jr.

Aimé Donna Kelly
Renee Curry

Kevin Kane
Terry Bruno