Four more witnesses took the stand today for a total of 40 so far. The most disturbing testimony of the day comes from David Brani whose heat study suggests that Cooper may have still been alive at 12:45 pm on June 18, 2014 when Harris threw a bag with some just-purchased light bulbs in the front seat of the car. Jurors also heard from a woman who was sexting with Harris while Cooper was dying. 37. David Brani, mechanical engineer, thermal dynamics, conducted a heat study of the car Brani works for Works for ATS tech services. At the outset, Brani discussed refrigeration systems and the nature of heat transfer in the world of thermal dynamics. Outside of this specific case, he has not studied temperature rising in a vehicle. He reviewed general literature before going to the field to…