Also, his ex-girlfriend Oksana Grigorieva won't be charged with alleged extortion, prosecutors say
Robyn Moore tells the court the actor "never engaged in any physical abuse" with her
Wife Robyn could claim half his fortune, estimated at close to $1 billion
The actor and his wife actually split three years ago - just weeks afer his notorious DUI arrest, the actor says
Mel Gibson's wife of 28 years filed for divorce from the actor last week, citing "irreconcilable differences."
CNN.com's Nicole Lapin gets the inside scoop from TMZ's Harvey Levin on Mel Gibson's wife of 28 years filing for divorce.