A federal judge has ruled that David Rush, the C.I.A. employee, must remain in detention. U.S. officials say Mr. Rush funneled millions in federal funds to himself.

Cuba’s ambassador to the United Nations said in an interview that Havana wanted to talk but the Trump administration was creating pretexts for military action.

The two Americans were killed on Sunday when their vehicle crashed while returning from an antidrug operation led by Mexico’s armed forces in the state of Chihuahua.

The C.I.A. has given small weapons to Iranian Kurdish forces in Iraq in a covert program that began before the current war.