house and david kasten had known kenny for years because he'd been friends with his father, friendsti. he opened the door, said hello to kenny invited him in for a cup of coffee and kenny shot him in the back of the head on the way home, after disposing of david kasdan's body, kenny decides this calls for flowers. >> he spends $100 on a bouquet of flowers. he goes back to his mother and say, mom, we did it kenny also admitted to the killing of mr. ahmed in the bahamas kenny confessed to drowning him in a bathtub and throwing his body into the caribbean finally, the truth was out. santi was softly crying and then kenny was manacled and trying to stop the tears on his face. i don't think that kenny ever turned and looked at his mother during this recitation of events sent back to new york state and kenny was kept in california and they weren't allowed to contact each other ever again. over the years, i've been involved in about 1900 homicide investigations i'd say it's the most complex and strange mother and son murdering people it boggles the mind why do they do it? >> she's a multi-

the la dea and said, i will tell every detail of the murder of irene silverman and the murder of david kasten >> if you take the death penalty off the table for me and my mother i was in the courtroom when he described the murders, and i think my heart stopped. i had heard this person proclaim his innocence thousands of times, and here he was talking about gruesome details july fifth, he left his apartment. >> he met irene out by the office and asked her for a newspaper. i think he used that opportunity to see was irene alone? kenny then returns to his apartment and now she happens to be standing right outside his door. >> kenny flings open the door, grabs irene, and pulls her inside, and shante yells at kenny, do it! around irene's throat and he strangles her to death the trunk of his car and driving her out to new jersey where he said he dumped the body in a dumpster david kasdim as a result of david wanting to go to the police because of a out on his name. >> kenny drove to david carson's house and david carson had known kenny for years because he'd been friends with his father friends wit