23Sep/10Off
Extortion Probe Could Derail Case Against Mel
Filed under: Mel Gibson, Oksana Grigorieva, Celebrity Justice
Oksana Grigorieva could be checkmated into silence .... silence that could make it impossible to prosecute Mel Gibson for domestic violence -- sources tell TMZ. As we first reported ... the L.A. County Sheriff's Department is conducting what we're told…