Attorney General Eric Holder, left, greets Capt. Ron Johnson, right, of the Missouri State Highway Patrol at Drake's Place Restaurant, Wednesday, Aug. 20, 2014, in Ferguson, Missouri. Holder traveled to the St. Louis area to oversee the federal government's investigation into the shooting of 18-year-old Michael Brown by a police officer on Aug. 9th. Holder promised a 'fair and thorough' investigation into the fatal shooting of a young black man, Michael Brown, who was unarmed when a white police officer shot him multiple times. UPI/Pablo Martinez Monsivais/Pool