July 25, 2013 Halliburton admitted to destroying the results of some tests it ran following the disaster. The oilfield services giant also agreed to make a $55 million donation to the National Fish and Wildlife Foundation.
December 6, 2011 Halliburton, meanwhile, denies that allegation and accuses BP of fraud and defamation. The two companies are trading charges and blame for the nation's worst offshore oil spill — the April 2010 disaster in the Gulf of Mexico.
December 8, 2010 The case involves an alleged $180 million cash-for-contract scandal dating back about a decade. Cheney's lawyer says he's already been cleared of any wrongdoing.