Jurors see gruesome video of Florida school shooting


              Marjory Stoneman Douglas High School shooter Nikolas Cruz looks down as a witness testifies during the penalty phase of his trial at the Broward County Courthouse in Fort Lauderdale, Fla., Tuesday, July 19, 2022. Cruz previously plead guilty to all 17 counts of premeditated murder and 17 counts of attempted murder in the 2018 shootings. (Mike Stocker/South Florida Sun Sentinel via AP, Pool)
            
              Marjory Stoneman Douglas High School teacher Michael Powell testifies in court about hearing the the school shooting on the floor above his classroom during the penalty phase of Marjory Stoneman Douglas High School shooter Nikolas Cruz's trial at the Broward County Courthouse in Fort Lauderdale, Fla., on Tuesday, July 19, 2022. His brother, Nicholas Dworet was also shot, and was killed in the rampage. Cruz previously plead guilty to all 17 counts of premeditated murder and 17 counts of attempted murder in the 2018 shootings.  (Mike Stocker/South Florida Sun Sentinel via AP, Pool)
            
              Marjory Stoneman Douglas High School teacher Michael Powell testifies about hearing the school shooting on the floor above his classroom during the penalty phase of Marjory Stoneman Douglas High School shooter Nikolas Cruz's trial at the Broward County Courthouse in Fort Lauderdale, Fla., on Tuesday, July 19, 2022. His brother, Nicholas Dworet was also shot, and was killed in the rampage. Cruz previously plead guilty to all 17 counts of premeditated murder and 17 counts of attempted murder in the 2018 shootings.  (Mike Stocker/South Florida Sun Sentinel via AP, Pool)
            
              Marjory Stoneman Douglas High School teacher Dara Hass wipes away tears as she testifies in court about the shooting in her classroom during the penalty phase of Marjory Stoneman Douglas High School shooter Nikolas Cruz's trial at the Broward County Courthouse in Fort Lauderdale, Fla., on Tuesday, July 19, 2022. His brother, Nicholas Dworet was also shot, and was killed in the rampage. Cruz previously plead guilty to all 17 counts of premeditated murder and 17 counts of attempted murder in the 2018 shootings.  (Mike Stocker/South Florida Sun Sentinel via AP, Pool)