wiehl: the autopsy reports showed some drugs in two of the bodies.man polanski and his friends are quite frustrated with the lapd because the lapd is making it quite clear that somehow the celebrity lifestyle led to this horrible scene of murder. and roman polanski and his celebrity friends are saying, "no, that's not it." sidner: not only are the tate investigators on a wild goose chase, but so are the labianca detectives. they're looking into leno and his horses and his gambling. and they find that he may have some gambling that has gone bad. the idea that the police have is some kind of mafia connection. again, they're looking in the wrong track. [ whooshes ] a week after the tate murders, charles manson and his followers wake to the sound of unwanted visitors. the sheriff's department had a big raid on spahn ranch. they arrested manson. they arrested other members of the family... ...for stealing cars. and the police couldn't understand when charlie asked what the charges were and they said, "car theft," that manson started laughing. but he had a

wiehl: when the police look in the driveway, they see a car.arent motive. ♪ sidner: as lapd investigators attempt to make sense of all this death, they suddenly hear a sign of life. [ dog barks ] they hear a dog barking. [ barking continues ] so that alerts them to the guesthouse. ibly19-year-old [william garretson, ] the fill-in caretaker, had been just 25 yards away in the guesthouse when these five people were murdered the night before. at first they thought, well, here is this person alive. he had to know what was going on. wiehl: their first order of business is to take william garretson into custody, and he becomes suspect number one. ♪ ♪ sidner: after killing sharon tate and her friends the night before, family members tex watson, susan atkins, patty krenwinkel, and linda kasabian had returned to spahn ranch. charles manson was waiting for them. i said, "do you feel any remorse about your actions?" and they says no. i said, "do you feel that you did what you had to do, and it was right?" and she says, "yes." what judgment could i make? i

. >> lis wiehl, former prosecutor.ou. >>> quick hits, an army of investigators searching the home of gilgo beach inspect rex heuermann. >>> a boat crashed into the lake in missouri. all eight were injured. the driver was arrested for boating while intoxicated. >>> thousands of juvenile toads crossing a road in utah leaving witnesses stunned. experts say it's part of a mass migration that is completely natural triggered by excessive rain. >>> just ahead, thousands of flee greece as wildfires rage on several islands. and who runs "oppenheimer" this weekend, dolls or doom? the answer just ahead. thing pro. allergic reactioions can occur. get help rightht away for swelling of face, mouth, tongue, or trouble breathing. infections that can cause shingles have occurred. don't stop steroids unless told by your doctor. tell your doctor if you have a parasitic infection. may cause headache, injection site reactions, back pain, and fatigue. ask your asthma specialist about a nunormal with nucala. ♪ ♪ we're reinventing our network