Reid Cox

A professor from Lewis’ past tips off the BAU to an alarming number of overdose deaths of patients who just completed rehab.

When Lydia disappears after a heated argument with her daughter about religion, the smooth running of the household falls apart in her absence.

Jenna volunteers to babysit, and receives some unexpected help in Matty. Meanwhile, Lissa learns the secret to being a Palos Hills mom, and Tamara and Sadie are in over their…