Lionfish ravage Florida’s reefs. This man has gone to war

Boaters rescued from tree limb after craft capsizes in alligator habitat

Some immigrants detained at Florida’s now-shuttered “Alligator Alcatraz” were confined in outdoor cages only slightly larger than telephone booths for more than an hour at a time, according to a new report by the Department of Homeland Security’s inspector general. NBC News' Julia Ainsley reports.