On Sunday, u.s. President Joe Biden said that no motive was yet known for the assassination attempt on Donald Trump, and calls on people not to make assumptions.
Vice president Harris and I were just briefed in the situation room by my homeland security team. This included the director of the FBI, the secretary of homeland security, the attorney general, the director of the Secret Service, my homeland security advisor, the national security advisor. And we're going to continue to be briefed.
