LIVE: Brendan Banfield Trial — McDonald's Video, The Hidden Knife & The DNA Problem

We're live with former FBI Special Agent Jennifer Coffindaffer to break down day three of the Brendan Banfield murder trial — the day prosecutors connected Juliana Peres Magalhães's testimony to hard evidence that doesn't depend on her word. McDonald's surveillance video shows Banfield waiting in the parking lot the morning of the murders. At 7:37 AM, he's seen leaving the bathroom with his phone pressed to his ear. Phone records confirm that's the exact moment Juliana called him. According to her testimony, that was the signal — Joseph Ryan had arrived. Detectives revealed the murder knife was found hidden under blankets on th...