Due Process Guarantee Act of 2015

Amends the federal criminal code to expand provisions prohibiting the United States from imprisoning or otherwise detaining a citizen except pursuant to an Act of Congress, to: (1) prohibit such imprisonment or detention of a U.S. citizen or a lawful permanent resident except consistent with the Constitution and pursuant to an Act of Congress that expressly authorizes such imprisonment or detention; and (2) prohibit construing a general authorization to use military force, a declaration of war, or any similar authority, on its own, to authorize the imprisonment or detention without charge or trial of a U.S. citizen or lawful permanent resident apprehended in the United States.