House Oversight and Government Reform Committee Chairman Rep. Darrell E. Issa, California Republican (right), greets Lorren Leadmon, an ATF intelligence operations specialist, before the hearing Tuesday about the fallout from "Operation Fast and Furious." At left is Carlos Canino, ATF acting attache to Mexico.

House Oversight and Government Reform Committee Chairman Rep. Darrell E. Issa, California Republican (right), greets Lorren Leadmon, an ATF intelligence operations specialist, before the hearing Tuesday about the fallout from "Operation Fast and Furious." At left is Carlos Canino, ATF acting attache to Mexico.