Police arrested 13 people in a coordinated retail theft crackdown at Stonestown Galleria and the West Portal area this week. The San Francisco Police Department said in a press release Friday that the one-day operation on Thursday was part of an ongoing effort to curb organized retail crime in San Francisco and was carried out with the assistance of several law enforcement agencies, including the California Highway Patrol, the SFPD and the San Francisco Sheriff’s Office. Officials said they used a mix of tactics to catch the suspects, who they described as “shoplifters…..