Mandy McMillian

CBI consultant Patrick Jane, Senior Agent Teresa Lisbon and her team investigate the double murder in Palm Springs of a pro golfer's wife and her doctor, which has the hallmarks of a serial killer with a personal connection to Jane.

Claire delicately helps Luke cope with the fact that his friend and their old neighbor, Walt, has passed. Phil takes Alex for some father-daughter bonding time, and Haley throws an unauthorized party. Meanwhile, Jay and Gloria go over to Mitch and Cam's to have dinner with Cam's father, Merle, who is in town visiting -- and awkwardness and tension seem to be the rule of the night.

Burger-mad Marshall meets Regis Philbin while on a quest to find the restaurant where he had his very first New York burger.

The Heck family BBQ is being planned as spring rolls around.

The team hunts for a copycat serial killer who is recreating the techniques used by famous killers of the past.

Frankie tries to plan her own Mother's Day gift.