what >> meanwhile, detective richard birdsall was chipping away at the case. long beach police departments, still under fire for not preventing a. murder the detectives had found some connections among the three suspected conspirators. but not nearly enough to go to court. >> when you have to go arrest everybody. i'd love to. but do i have probable cause? no, i don't really. i have to prove. more >> and you couldn't even say that either one of those people was a suspect? >> correct. one and i was 16 when i started, i was five two when i finish. there was so much pressure to do it and make arrests. >> coming. up fred and frank finally start talking. >> we had 60 plus phone conversations between them. >> are you doing bud? >> it has been a rotten, rotten time. >> but will it help detectives catch the killer? >> when dateline continues. did i tell you i bought our car from carvana? yeah, ma. it was so easy! i found the perfect car, under budget too! and i get seven days to love it or my money back... i love it! i thought online meant no one to help me, but susan