Editor's note: This story contains graphic descriptions of domestic violence.
HIS VOICE IS calm. "I need to show you something," he says.
It's 5:31 p.m. on Tuesday, Nov. 23, 2010, at 1203 Foxtree Trail, a stucco ranch in the sleepy suburban neighborhood of Apopka, Florida, when James Martin takes a 9-inch Buck knife and plunges it into his wife's torso.
At first, Christy Salters Martin, world champion boxer and the only woman boxer ever featured on the cover of Sports Illustrated, doesn't know she's been stabbed. The blade's that sharp. The jab's that quick.