The link is to a very tame recording. If you want to hear something that will make a longshoreman blush, click on the link to "SECOND recording" below the youtube screen. (The second tape should not be listened to at work or near kids, or near someone with a heart condition - OMG!) At 7 minutes in, he threatens her life. I see jail time forthcoming. What a nut job.
YouTube - Recording of Mel Gibson's Alleged Racist Rant