Allen Agrees to Stay Jailed in Trump Assassination Case

Cole Thomas Allen, a 31-year-old man from Torrance, California, accused of attempting to assassinate President Donald Trump by storming the White House Correspondents Association dinner with guns and knives, agreed Thursday to remain jailed pending trial.

Allen made no plea during a brief appearance before U.S. Magistrate Moxila Upadhyaya in Washington. Prosecutors allege he planned the attack for weeks, tracking Trump's movements online before running through a magnetometer at the Washington Hilton on Saturday night while carrying a long gun. The incident disrupted the high-profile annual event attended by journalists, politicians and Trump.

Officials said Allen, a highly educated tutor and amateur video game developer, was injured in the confrontation but not shot. A Secret Service agent was shot once in the chest but survived thanks to a bullet-resistant vest. Prosecutors believe Allen fired his shotgun at least once toward the agent, who returned fire with five shots. While they have not publicly confirmed that Allen's shot struck the vest, investigators recovered a fragment at the scene consistent with a buckshot pellet.

In court papers, prosecutors detailed Allen's...