Multiple tornadoes may have hit Mississippi, and damaging winds were reported in Louisiana, Alabama and elsewhere.
"Do I regret what I did? Never," Amor Ftouhi, 51, told a judge. The judge said those comments made it easier to impose the life sentence.
The man, Josh Bratchley, was retrieved safely by Edd Sorenson, another famous rescue diver, who said Bratchley's expertise likely saved his life.
Marc Lamparello, 37, of New Jersey, was charged Thursday with attempted arson, reckless endangerment and trespassing.
"With the thump and being startled, I went straight to, 'This could be an ambush,'" Officer Matthew Harrity testified in the trial of Mohamed Noor.