For Phoenix...possibly. But who for Tampa and Operation Castaway.... interim US Attorney O'Neill? He doesn't seem to have the DC clout. ATF SAC Virginia O'Brien however was in Phoenix for F&F, was promoted to DC for a cup of coffee and then demoted down to Tampa.
More on O’Brien
http://sipseystreetirregulars.blogspot.com/2011/07/breaking-news-source-claims-atfs-tampa.html