The suspect, an “unhoused” 30-year-old Floridian, told undercover FBI agents that he wanted to “reboot” the U.S. government and “wake people up.”

Harun Abdul-Malik Yener was charged after an undercover investigation by the F.B.I. into his alleged desire to join extremist groups and carry out violent attacks, according to a criminal complaint.

A Florida man was arrested Wednesday and charged with a plot to “reboot” the U.S. government by planting a bomb at the New York Stock Exchange this week and detonating it with a remote-controlled device,