COUNT 2: Guilty Use of a weapon of mass destruction, resulting in death and personal injury. COUNT 3: Guilty Destruction by explosive of a federal building, causing death and injury. COUNTS 4-11: Guilty First-degree murder of eight federal law enforcement officers. Timothy J. McVeigh was convicted today of the worst act of domestic terrorism in American history, the bombing of the Alfred P. Murrah Federal Building in Oklahoma City that killed 168 people and injured more than 500 others.