july 13th 2011, as family members kept a vigil by the hospital bed of six-year-old max shacknai, a breathless man called 9-1-1. >> 9-1-1 emergency. what are you reporting? >> yeah, i got a girl she hung herself. >> once again, police raced through the streets of quiet coronado island. and once again their destination was the mansion on ocean boulevard. jonah's girlfriend rebecca was staying there, jonas brother adam had spent the night in the guesthouse. >> you wake up, you walk out, tell me what you see? >> a woman hanging, at the time i didn't necessarily think to myself, oh my goodness she's bound, or whatever. but just rebecca's hanging. >> naked, bound hand and foot, rebecca zahau was hanging by the neck from the second floor balcony.