Thirty years after a truck bomb detonated outside a federal building in America's heartland, killing 168 people in the deadliest homegrown attack on U.S. soil, deep scars remain. From a mother who lost her first-born baby,

At 9:02 a.m. on that day 30 years ago, a 4,800-pound fertilizer bomb detonated in a Ryder truck parked outside the north entrance of Oklahoma City’s federal building. The blast left 168 people dead, 19 of them children,