Chicago PD's season 12 finale proves that Voight is still the hard-edged cop he always was as he crossed a major line!

Cross, who turned over the reins of the department last week with an emotional farewell, entered law enforcement in 1994.

Evidence has been turned over to Chicago Police detectives for a criminal investigation. Chicago Police said a person was in custody in connection to the fire. Neighbors said the fire is part of a ...