If a would-be intruder cannot be stopped by a dog or intercepted by a person, perhaps more lethal force is necessary, and I want those Secret Service agents and officers to know at least this member of Congress has their back. The energetic and youthful Chaffetz, 47, chairs the national security subcommittee of the House Oversight and Government Reform Committee. According to the initial Secret Service account, the intruder, identified as Omar Gonzalez, was stopped just inside the front door. For Chaffetz, the Secret Service hearing provided a high-profile turn in the spotlight at a moment when he's in a very public fight with Ohio Republican Mike Turner to chair the Oversight and Government Reform Committee. [...] as the current committee chairman, GOP Rep.