stabbed, cops say, over 40 times. >> this was a targeted attack for the sole purpose of killing lindsay buziak> at the time, police knew nothing of the couple they now believe carried out the attack. but when they arrived, investigators found lindsay's boyfriend, jason zillo, and one of his friends. >> we locked down that house immediately. mr. zillo and his friend were both taken into police custody. >> turns out jason called police. later, he gives investigators a breakdown of his whereabouts that day. >> we're quite confident that at 541 is when the attack took place. >> jason tells police he drives up to the house just four minutes later, and he may have seen the killers. >> the killers were actually about to walk out the front door and leave, and he turned into the cul de sac and interrupt them, leaving. >> they were that brazen that they were going to. if he. >> had been, if he had been five seconds later, he would have driven right into the suspects, walking out here into the driveway. >> instead, he tells police, the couple turned around and closed the door. >> he then parks outside be