The White House deputy chief of staff told reporters Friday that the Trump administration is “actively looking at” suspending a legal procedure that allows people to challenge a government’s decision to detain them.

A writ of habeas corpus requires authorities to produce in court an individual they are holding and justify their confinement. Article I of the Constitution says the "privilege of the writ of habeas corpus shall not be suspended, unless when in cases of rebellion or invasion the public safety may require it."