"Did she have any idea this was going on or did this hit her like a ton of bricks?" asked Nightline's Vicki Mabrey.
"I think she had her suspicions in the past," replied James. "But I lied my way out of it. I lied to everyone about everything, even to myself."
The former Monster Garage and Jesse James is a Dead Man star's marriage to Bullock first hit the rocks when he was accused of carrying out an 11-month affair with tattoo model Michelle "Bombshell" McGee while Bullock was in Atlanta filming The Blind Side -- for which she won the Oscar for Best Actress.