Expert: School shooter faked fetal alcohol symptoms Marjory Stoneman Douglas High School shooter Nikolas Cruz rubs his eyes during the penalty phase of Cruz's trial at the Broward County Courthouse in Fort Lauderdale on Tuesday, Oct. 4, 2022. Cruz previously plead guilty to all 17 counts of premeditated murder and 17 counts of attempted murder in the 2018 shootings. (Amy Beth Bennett/South Florida Sun Sentinel via AP, Pool)
Marjory Stoneman Douglas High School shooter Nikolas Cruz is shown at the defense table during the penalty phase of Cruz's trial at the Broward County Courthouse in Fort Lauderdale on Tuesday, Oct. 4, 2022. Cruz previously plead guilty to all 17 counts of premeditated murder and 17 counts of attempted murder in the 2018 shootings. (Amy Beth Bennett/South Florida Sun Sentinel via AP, Pool)
Marjory Stoneman Douglas High School shooter Nikolas Cruz is escorted into the courtroom during the penalty phase of Cruz's trial at the Broward County Courthouse in Fort Lauderdale on Tuesday, Oct. 4, 2022. Cruz previously plead guilty to all 17 counts of premeditated murder and 17 counts of attempted murder in the 2018 shootings. (Amy Beth Bennett/South Florida Sun Sentinel via AP, Pool)
Marjory Stoneman Douglas High School shooter Nikolas Cruz is shown at the defense table during the penalty phase of Cruz's trial at the Broward County Courthouse in Fort Lauderdale on Tuesday, Oct. 4, 2022. Cruz previously plead guilty to all 17 counts of premeditated murder and 17 counts of attempted murder in the 2018 shootings. (Amy Beth Bennett/South Florida Sun Sentinel via AP, Pool)
Judge Elizabeth Scherer is shown during the penalty phase of the trial of Marjory Stoneman Douglas High School shooter Nikolas Cruz at the Broward County Courthouse in Fort Lauderdale on Tuesday, Oct. 4, 2022. Cruz previously plead guilty to all 17 counts of premeditated murder and 17 counts of attempted murder in the 2018 shootings. (Amy Beth Bennett/South Florida Sun Sentinel via AP, Pool)
Marjory Stoneman Douglas High School shooter Nikolas Cruz is escorted into the courtroom during the penalty phase of Cruz's trial at the Broward County Courthouse in Fort Lauderdale on Tuesday, Oct. 4, 2022. Cruz previously plead guilty to all 17 counts of premeditated murder and 17 counts of attempted murder in the 2018 shootings. (Amy Beth Bennett/South Florida Sun Sentinel via AP, Pool)
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Marjory Stoneman Douglas High School shooter Nikolas Cruz rubs his eyes during the penalty phase of Cruz's trial at the Broward County Courthouse in Fort Lauderdale on Tuesday, Oct. 4, 2022. Cruz previously plead guilty to all 17 counts of premeditated murder and 17 counts of attempted murder in the 2018 shootings. (Amy Beth Bennett/South Florida Sun Sentinel via AP, Pool)