and the panel was lighting up and i walked over to it and i picked it up and it was ken clark, detectivedescribable. >> reporter: which is perhaps where the movie version of this story would end. but real life is not quite like that. for all the suspicion of steven's friends, the murder case against harvey morrow was rather weak. no evidence sufficient to prove that harvey shot steven then dumped his body in the ocean. >> we were looking for steven's dna on the boat. knowing that his death was caused by a gunshot wound it was pretty obvious that there should be something that said this is where it was. >> reporter: but there wasn't. no blood, no gun, no significant fingerprints. what they needed, couldn't find, was something that put the two men together on the far side of catalina island where that current would have caught the body, carried it round to the spot where boaters saw it floating face down in the water. they hunted everywhere for harvey's gps, but they never found it. months went by. harvey sitting in jail. no luck for the investigation now. and then? a phone call. it was th

attorneys jim warwick and ken clark met with dolores and maliek. >> i introduced myself to mr.so got a chance to speak with miss delgado? >> we presented to her the facts that we had, and the evidence that we had complied against her at that point in time. >> reporter: after the arrests came a new lead. a tip to detective harding from an ex-boyfriend of dolores's in florida. >> he called me and said, "hey, one night i was hanging out with dolores, and we got rid of a gun." and he said, "i think that was your murder weapon." >> i mean, do you get calls like this every day? this is pretty remarkable. >> i wish. but we don't. >> reporter: investigators met with the tipster in merrit island, florida. he said that not long after karlyn's murder, he and dolores delgado had burned some clothing and sneakers here. and that wasn't all. he said he destroyed a revolver for her -- dismantled it. and that the two of them threw the pieces of the gun off this pier. an fbi dive team out of miami was soon on the scene. the water was gin-clear that day, and divers found forensic sunken treasure.