President Trump directed federal officials to open Alcatraz for detainees. It's not the first time the topic has cropped up.

Trump's push to reopen Alcatraz as a maximum-security prison has triggered backlash over the steep financial and logistical challenges the project would face.

President Donald Trump made some more announcements in social media posts late Sunday — he said he's ordered federal agencies to reopen and expand Alcatraz, the notorious and crumbling former island p