Mel Gibson is back in a Los Angeles courtroom to resume his custody fight with ex-girlfriend Oksana Grigorieva.
The Academy Award winner sat quietly in a courtroom across from Grigorieva, a Russian musician, before Los Angeles Superior Court Judge Scott Gordon began a closed hearing on Monday.
VIEW THE PHOTOS: Celebs Who Moved To Splitsville In 2010
Gibson and Grigorieva have been sparring for months over custody and financial issues involving their infant daughter.
Investigators are looking into Gibson's allegation that Grigorieva attempted to extort him after their breakup earlier this year. Grigorieva has alleged Gibson struck her during an argument in January.
VIEW THE PHOTOS: They Dated Who?!? Surprising Former Couples!
No criminal charges have yet been filed in either case.
Copyright 2010 by Associated Press. All rights reserved.This material may not be published, broadcast, rewritten or redistributed.
Related Content from AccessHollywood.com:
VIEW THE PHOTOS: Mel Gibson
VIEW THE PHOTOS: Access At The 2010 American Music Awards!
PLAY IT NOW: 'Hangover 2' Stars Talk Mel Gibson's Canceled Cameo; Robert Downey Jr. Defends Star
PLAY IT NOW: Robert Downey Jr., Zach Galifianakis & Todd Phillips' NYC 'Due Date' Premiere
More from Access: [ Mel GibsonOksana Grigorieva Music ]
Published at 7:15 PM EST on Nov 22, 2010
Copyright Access Hollywood