A Mississippi man pleaded guilty on Thursday to charges he instructed a crew he was supervising on a drilling rig in the Gulf of Mexico to falsify information regarding the testing of a blowout preventer. Donald Hudson, 49, of Walnut Grove, Miss. was charged with one count of making a false statement to the Interior Department's Office of Inspector General in March 2011. Hudson was working as a manager on rig 206, owned by Helmerich & Payne Inc.