Official report by the OIC on the death of Deputy White House Counsel Vincent Foster, Jr. On July 20, 1993, police were called to Ft. Marcy Park in Northern Virginia, where they found Foster lying dead with a gun in his right hand and gunshot residue-like material on that hand. The autopsy determined that his death was caused by a gunshot through the back of his mouth. The police later learned that Foster had been treated for depression before his death. Two law enforcement investigations and 2 inquiries in the U.S. Congress all concluded that he had committed suicide by gunshot. The OIC likewise has concluded that Foster committed suicide by gunshot.