Sean Hannity has floated his latest conspiracy theory about the former president.
"The United States is under attack—now," National Intelligence Director Dan Coats said.
"This is third world politics where the official government agencies are used as campaign attack dogs," Arizona Representative Paul Gosar said.
The push came amid reports the Trump administration was mulling over conducting a "bloody nose" strike against North Korea.
The letter, 11 days before the election, has been widely cited as one of the potential reasons Clinton ultimately lost to Trump.
The Trump administration has maintained it will not tolerate a nuclear North Korea.
The U.S. surveillance plane was flying in international airspace.
North Korea apparently was trying to conserve fuel amid harsh economic sanctions.
The U.S.-led coalition has conducted thousands of airstrikes against the Islamic State militant group.
The U.S. has said it cannot tolerate North Korea as a nuclear power.
The deadly incident occurred just a day after the Trump administration said terrorism would not be the country's top priority in terms of national security.
The man trained with an Al-Qaeda affiliate in Syria.
"North Korea's nuclear weapons program is continuing to expand," Pompeo said.
Defense Secretary James Mattis said it is imperative the U.S. build a "more lethal force."