nick's family because you have >> reporter: to make a complete all my cash. family, a desire that only intensified once charlie came along. so if you want to give me the >> she wanted her son to be the cash, i'm give it back to you best person he could be. and would stop at nothing to make sure that he got that. and you can do what you want. >> reporter: and that was it. >> reporter: around bixby knolls maybe not exactly the words detective birdsall hoped to the schockners were considered a hear, but after weeks of dead ends and intense pressure, perfectly normal, if upscale, getting fred on tape saying family. those things finally made his certainly not the kind of people case. who would be targeted by drug what was the mood in the van you were sitting in? dealers. of course, members of the family >> it was elation. we got enough. had a slightly more intimate >> reporter: finally, enough perspective. evidence to arrest him. mark, for example, loved his but they didn't. sister but found fred a little they let him go home just to see obnoxious. what he'd do. >> he wasn't shy about dropping >> let's just see if he reaches hints about the extent of his out to somebody. holdings. because now he's scared. >> reporter: back at the >> reporter: mark didn't see them very often. restaurant frank waited for an he lived way across the country all-clear signal from the in georgia. but when he did come to visit in detectives. long beach, and they went out and the waiter, who'd frequently for dinner, fred always managed served the schockner family, to monopolize the conversation, then somehow, stick mark with stopped by to reminisce about the bill. lynn. >> she's very nice, very funny. >> cheap. totally opinionated. >> reporter: putting frank in a absolutely self-involved.