Lawmakers are pushing congressional leaders to take greater steps to ensure their safety as they confront the growing risk of violence.

Officials say Vance Boelter "extensively researched" and planned the attack, buying a cache of weapons and writing detailed lists of state lawmakers.

The search for Boelter was the "largest manhunt in the state's history," Brooklyn Park Police Chief Mark Bruley said.

From ushering in Citizens United to granting presidents broad immunity, no one in the capital is more responsible for Donald ...