Tears of a Clown

A criminal who dressed as a clown to kidnap his victims and disappeared 20 years ago, re-emerges striking the squad down with fear. To find clues to solve the case, the detectives look through the old files from the previously unsolved abductions in the 1988 summer dubbed "The Summer of the Clown". Jane and Casey's relationship continues to get serious, but to take things to the next level one of them will have to compromise. Maura accidentally gets in between another relationship, putting herself in a dilemma.