so you you you re completely confident your d.n.a. is not in that house anywhere? i know it s not. i know it s not. he he keeps saying, you know, i i didn t do anything so i don t have anything to worry about. reporter: but was he in fact on your list at that point? oh, he he was, you know. he was, he put himself with michael. well, i think you know a little bit more than you re telling me. sir, i don t. i i i ve i m giving you pearls, man. i m giving you all i got. i i ve told you guys everything i know. i know that he came over. i know exactly when he left. i know i was at my house. that s all i know. reporter: for all his questions, investigator edmunds ultimately had nothing on anthony. a failed polygraph isn t evidence, and nothing connected him to the crime. but they were still looking at michael, and there was the inevitable question of motive. sure, michael was open about his drug use, but that didn t entirely explain why he would savagely be
swab you got, somebody ll get caught up. so you you you re completely confident your d.n.a. is not in that house anywhere? i know it s not. i know it s not. he he keeps saying, you know, i i didn t do anything so i don t have anything to worry about. reporter: but was he in fact on your list at that point? oh, he he was, you know. he was, he put himself with michael. well, i think you know a little bit more than you re telling me. sir, i don t. i i i ve i m giving you pearls, man. i m giving you all i got. i i ve told you guys everything i know. i know that he came over. i know exactly when he left. i know i was at my house. that s all i know. reporter: for all his questions, investigator edmunds ultimately had nothing on anthony. a failed polygraph isn t evidence, and nothing connected him to the crime. but they were still looking at michael, and there was the inevitable question of motive. sure, michael was open about his drug use, but that didn t
he he keeps saying, you know, i i didn t do anything so i don t have anything to worry about. reporter: but was he in fact on your list at that point? oh, he he was, you know. he was, he put himself with michael. well, i think you know a little bit more than you re telling me. sir, i don t. i i i ve i m giving you pearls, man. i m giving you all i got. i i ve told you guys everything i know. i know that he came over. i know exactly when he left. i know i was at my house. that s all i know. reporter: for all his questions, investigator edmunds ultimately had nothing on anthony. a failed polygraph isn t evidence, and nothing connected him to the crime. but they were still looking at michael, and there was the inevitable question of motive. sure, michael was open about his drug use, but that didn t entirely explain why he would savagely beat his mom s best friend. my bookkeeper came to me and said we ve got some issues here. reporter: jurgen cowling has a
he he keeps saying, you know, i i didn t do anything so i don t have anything to worry about. reporter: but was he in fact on your list at that point? oh, he he was, you know. he was, he put himself with michael. well, i think you know a little bit more than you re telling me. sir, i don t. i i i ve i m giving you pearls, man. i m giving you all i got. i i ve told you guys everything i know. i know that he came over. i know exactly when he left. i know i was at my house. that s all i know. reporter: for all his questions, investigator edmunds ultimately had nothing on anthony. a failed polygraph isn t evidence, and nothing connected him to the crime. but they were still looking at michael, and there was the inevitable question of motive. sure, michael was open about his drug use, but that didn t entirely explain why he would savagely beat his mom s best friend. my bookkeeper came to me and said we ve got some issues here. reporter: jurgen cowling has a
found chris in front of the home becky had bought for him packing his truck for a weekend getaway. did he ask what was going on? no. didn t really say anything. put him in the car, we take him up to our office and put him in the interview room. everything s not happened the way you said it happened, so i want you to really think long and hard and tell me you re a young man right now. basically you just called me a liar. reporter: chris, no longer shaking, defiantly asked for a lawyer. i want to speak to a lawyer right now . as soon as we read him his rights, he clammed up. so he s lawyered up, chris. he s lawyered up. reporter: for investigator edmunds, the puzzle pieces had finally fallen into place. becky had the motive to kill kay and chris, with his devotion to his mother and access to the murder weapon, was her means. go ahead and stand up, place your hands behind your back.