Crime / Mexico 15 Killed in Car Wash Massacre Most victims were drug rehab center clients By Rob Quinn, Newser Staff Posted Oct 28, 2010 2:44 AM CDT Copied Police officers secure the area where 15 men were shot to death by unknown gunmen at a car wash in Tepic, Mexico. (AP Photo/El Meridiano) Suspected drug cartel gunmen opened fire at a car wash in Tepic, western Mexico, killing 15 people in the violence-wracked nation's third massacre in less than a week. Ten of the victims are believed to have been clients of a drug treatment center, the New York Times reports. Thirteen people were killed at a rehab center in Tijuana over the weekend, and 14 were killed at a birthday party in Ciudad Juarez last Friday. (More Mexico stories.) Report an error