Capitol security officials announced they would beef up protection after the attack, but lawmakers and experts say gaping holes in the system have long persisted.
David DePape, the man accused of breaking into the home of House Speaker Nancy Pelosi and assaulting her husband, increasingly spent time online in recent months, according to his employer.
The attack on the husband of Speaker Nancy Pelosi, which appeared to target her, came after more than a decade of Republican efforts to demonize and dehumanize the most powerful woman in Washington.