somehow insulated and not involved in this. >> people all over town knew it in their guts, the murders had to be related. >> i felt there was an immediate connection. so did everybody in my family. >> why did you think there was a connection? >> because of the writing on the wall. that was the main thing. >> officer jerry derosa, who was working the tape crime scene, thought so, too. >> i had heard about some conditions at the location at the labianca house. i thought to myself, i wonder if this is connected in some way, writing the blood on the wall and the stabbing. >> your mind went there pretty well right away? >> yeah. >> but it did not seem that way to the brass at the lapd. the department assigned a team of detectives to investigate the tate murders and another team of detectives to labianca.