WASHINGTON (AP) — Faulty intelligence was to blame for the outmanned Capitol defenders' failure to anticipate the violent mob that invaded the iconic building and halted certification of the presidential election on Jan. 6, the officials who were in charge of security declared Tuesday in their first public testimony on the insurrection.

The officials, including the former chief of the Capitol Police, pointed their fingers at various federal agencies — and each other — for their failure to defend the building as supporters of then-President Donald Trump overwhelmed security barriers, broke wind...