Investigations

Director John Ratcliffe's claim contradicted a leaked initial assessment that U.S. strikes set back Iran's nuclear program by only several months.

ICE has arrested only 6% of known immigrant murderers despite promise to remove 'worst of the worst'

From its inflexible diplomacy to its overreliance on proxy forces, Iran left itself vulnerable to more powerful adversaries, former U.S. officials say.

Though Congress acted after the U.S. withdrew from Vietnam to restrain presidents in their use of military force, recent decades have seen presidents pushing against those restraints.

Abbas Araghchi told NBC News that Iran won't agree to halting all uranium enrichment and Israel must stop its airstrikes before negotiations with the U.S.

A massive hack of the insurance giant set off a chain of events that has left some doctors’ practices on financial life support.

The Israeli assault may not spark a popular uprising, but it could fuel power struggles inside the regime and even trigger a coup, experts said.

The president had opposed Israeli action against Iran but came to believe that Israel had reason to act and that the U.S. would have to lend some support.

Israeli strikes leave Iran's wounded government facing a number of questions, including whether it should give up on negotiations and rush its nuclear program.

Unrest in L.A. follows a recent pattern: Protests remain mostly peaceful during the day, but at night agitators engage in fiery clashes with police.

A memo to immigration judges provides new insight into a tactic the Trump administration is using in a bid to increase the number of immigrants it's detaining.