but, here they were, back in costa mesa, with their new recorder.d lynne had once been close. how he liked to buy her presents. >> i'd given her a, um, necklace. detective: what type of necklace was it? >> um, well, actually i didn't give it to her. i, um, helped her buy it. okay, she picked it out. >> reporter: now that caught the cops' attention. a necklace, which just happened to be the one piece of jewelry that appeared to be missing from lynne's apartment. pendant and clasp were collected. but no chain. interesting. but now the real reason they were here, to find out where doug was the night lynne was murdered. >> last week, on wednesday night, could you tell me what your activities were? >> well, i was here most of the evening, and, uh, i went up to, uh, long beach for a little bit. i went sailing and i came back, uh, right back here, uh, little after three. >> reporter: sailing in the wee hours of the morning? in the dark, alone, out there on the pacific ocean? odd, maybe, but, after all, doug belonged to a local sailing club, so he had acces