58-year-old Paul Caneiro is facing quadruple murder charges, accused of killing his brother Keith, his sister-in-law, his 11-year-old nephew and 8-year-old niece and then setting their home and his home on fire to cover up the crimes. The prosecution has been establishing motive this past week, playing the final phone calls between the brothers, Keith’s voice heard in court asking his brother angrily where a missing $78,000 had gone. Amy and T.J. go over the details of the evidence and where the defense is headed with their “third” brother alternate theory.