“The Jolly Red Elf” — CBI Agent Wayne Rigsby (Owain Yeoman, center) breaks up a fight between Santa Bob (Peter Xifo, right) and Santa Tony (Matt Cates, left) at a Society of Authentic Santas convention, after one of their Santas is found murdered, on THE MENTALIST, Thursday, Dec. 9 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Photo: Ron Tom/Warner Bros. ©2010 WARNER BROS. TELEVISION. All Rights Reserved.