there's a psychological overlay here to what's going on in that home. >> amy died from sharp force trauma, and 10-year-old philip stabbed and burned beyond recognition. >> i think it became pretty clear to the first responders that the child had been tortured multiple stab wounds. the son was engulfed in flame, to the point where the body was so charred that these couldn't even determine gender. >> first responders find the three adults in a bedroom upstairs, vera and amy bound in chairs, and savvas on the floor. >> the 10-year-old was handled separately. >> philip is discovered in his bedroom, alone. >> he was the bargaining chip, the threat was made against him while getting the adults to do