When a mutilated sex offender is found dead, it is unclear if he was the victim of a hate crime, sexual assault or self-mutilation. As Intelligence questions those related to the case, they find themselves up against a private "special police" force who may be covering up illegal activities. Meanwhile, Halstead runs Jimmy's DNA to confirm that he is actually Lindsay's father.
Did You Know?
A character mentions there was not enough probable cause to obtain a subpoena. Unlike search warrants, which do require probable cause, a subpoena can be issued by a prosecutor based upon a far lower standard of proof, such as a mere suspicion. See more
Lindsay and Halstead are dating, right?
Yeah. That explains everything.