13 Earlier, after Richie left Rebecca, he was filled with questions about Karen Larkin. The way Rebecca described her friend seemed nothing like the woman he was learning about from the Sausalito police. He was curious what other people had to say. There was one easy way to find out. That evening, he went to a pub near the Richmond station that cops frequented. He sat at the bar with a lime-and-tonic, no gin, since he didn’t know how long he’d be there. Then he waited for Mr. Big Mouth. He would come all right. Every bar had one. The type who showed up and talked to anyone, and who folks avoided because of his blowhard, know-it-all ways. Around strangers, Mr. Big Mouth could pretend he knew everything about everybody. Ask him a question and he wouldn’t shut up. Tonight, Richie would