searching for answers, even as investigators including the fbi showed up to process the scene of wednesday's fatal shooting. customs and border protection agents began walking back critical details on one of their border patrol agents. the statement now says the border patrol agent was allegedly assaulted. in the original press release, the word allegedly never appears. and it described an agent under attack by multiple reports using blunt objects. the revised statement simply says a group of suspected undocumented eed immigrants, rg him. the revised statement says the agent discharged one round, at one member of the group, no longer characterizing the shooting victim as an assailant. martha martinez was a victim to