[pasttense]

"Halliburton Energy Services Inc. has agreed to plead guilty to destroying evidence in connection with the Deepwater Horizon disaster, the Department of Justice announced today. A criminal information charging Halliburton with one count of destruction of evidence was filed today in U.S. District Court in the Eastern District of Louisiana."
http://www.justice.gov/opa/pr/2013/July/13-crm-850.html