: The episode begins with the arrest of William Harris , a successful lawyer and family man who matches the profile of a serial killer responsible for the disappearances of several young women. Harris remains calm and arrogant, confident he will be released because the police lack physical evidence.
: The case becomes personal when Baleman abducts Harris's own daughter, Andrea, to maintain leverage over Harris. To save his daughter, Harris agrees to wear a wire and confront Baleman in an abandoned warehouse. Key Details & Themes [S4E12] Soul Mates
: The episode highlights the trauma of Harris's wife and daughter as they slowly realize the man they loved is a monster. William Harris Lead Unsub / Lawyer Michael Boatman Steven Baleman Partner Unsub / Neighbor George Newbern Andrea Harris William's Daughter Dana Davis Sharon Harris William's Wife (Supporting Role) : The episode begins with the arrest of
: While Harris is in custody, another young woman, Missy DeWalt, is found murdered. This provides Harris with a perfect alibi, but the BAU realizes he isn't innocent—he has a partner. To save his daughter, Harris agrees to wear