Apparently Mel Gibson isn't the only one in big trouble for his insane taped rants against his babymama Oksana Grigorieva. Now the Los Angeles Sheriff's Department is investigating if the mother of Mel's 8-month-old baby daughter taped her former lover's rages in order to extort money from him, reports ABC News. The six tapes, leaked online, expose an unhinged Gibson's volatile temper and his apparent violence against Grigorieva.
In the latest tape, Gibson, in response to Grigorieva's charges that he hit her and that he is mentally unbalanced, snarls: "No one will believe you." Sheriff's department officials, who are also investigating Gibson for domestic abuse, did not release any details of their extortion probe.
(Read more extortion stories.)