In a 5-4 en-banc ruling, the US 4th Circuit ruled that the President has authority to arrest and indefinitely detain US citizens, or whomever (s)he should designate as an "enemy combatant" even in US soil proper.
In a different 5-4 decision though (one judge flipped), they ruled the particular complainant had not been given an appropriate hearing in which to challenge his status as an "enemy combatant."
Before I analyze some aspects of this party line and fairly contemptible ruling, let me use this opportunity to visually remind everyone what is at stake with this election as this picture becomes ever more red: