Prosecutors tried to chisel away at Charlie Adelson's account of the murder — hoping to cast doubt on his explanation that he had been extorted by the killers.
believe, to drop the kids off there. that was probably his intention. and then to flee. reporter: that was really only speculation, of course, and martha wasn t home that morning anyway. but on the stand, she acknowledged it seemed unusual the girls would be alone with adam. you know, they were going through the battle of divorce, and in the court orders, he shouldn t have had the kids. reporter: to prosecutor cappleman, it was a bad set of facts for adam, a scorned husband with ample time to commit murder before hastily fleeing the scene with kids who were not supposed to be in his care. mr. frasch, did they read you your miranda rights? yes, sir. reporter: cappleman played more than an hour of frasch speaking to investigators, homing in on his demeanor in the hours after samira s death. you done sat up here and broke down in your own way of crying, i don t know how many times and not one tear has
them? did he tell you? so he told investigators some of the marks were from him and his wife, samira, having sexual intercourse the night before, so they were love marks. reporter: my goodness. the specific one under his eye he shared with us that his ten month old child had scratched him. reporter: you re about to hear a recorded conversation. the prosecutor made sure the jury would hear the detectives skepticism about those scratches. by playing recordings of the interrogation. the baby was playing around and she always kind of grabs at my eye and face and stuff. so you re trying to make me believe that a 10-month-old has nails enough to make that type of scratch on your face? yeah. reporter: the prosecutor argued that adam killed samira before leaving for the beach at 8 a.m. on the stand, the m.e. testified that the time of death was unknowable. there s no way of saying the exact time of death. or i should say, once she s placed in the pool. there s just no way to