03/02/2011 at 12:00 PM EST
The explosive claims made
by Brooke Mueller against Charlie Sheen are lies, according to the actor.
Mueller, 33, says in a sworn statement filed Tuesday in Los Angeles court that her ex-husband once referred to his manager, Mark Burg, as a "stoopid Jew pig," which Sheen disputes, saying that Mueller manipulated text messages on his phone.
"I would never, ever say that about my dear friend Mark. [Mueller] is trying to create discord," Sheen, 45, told PEOPLE Wednesday. "I caught her on my phone a year ago texting. She was trying to cause discord among my immediate family. I caught her red-handed and she confessed."
"This is no different," he adds. "Natty and Rachel (aka "the goddesses") observed her on several occasions [recently] with my unlocked phone that I should never have left out."
Burg himself is skeptical of the allegations. "Charlie Sheen's ex-publicist, Stan Rosenfield, is Jewish. Charlie Sheen's entertainment attorney, Jake Bloom, is Jewish. Charlie Sheen's litigation attorney, Marty Singer, is Jewish. Charlie Sheen's divorce attorney, Mark Gross, is Jewish," he tells PEOPLE. "I've known [Charlie Sheen] for 13 years. I don't believe that he actually sent that text."
As for Mueller's other claims, "What she's saying is a frigging lie. I'd like to see her drug tests right now," says Sheen. "I'd go head-to-head with her on that."
In court papers Mueller – who has struggled for years with addiction – admits to "falling off the wagon last week" while in the Bahamas and says she's currently in day treatment for drug issues. Sheen, meanwhile, reportedly tested clean for drugs over the weekend and claims that he's currently off drugs and alcohol.
"All [Mueller] does is wreak chaos and havoc wherever she goes," Sheen says.
When police came to take Sheen's twin sons
out of his custody due to a court order, "The kids were not upset. I did not panic," Sheen adds.
Under the circumstances, the Two and a Half Men
star says he's "even more" committed to his new, clean approach to life and to getting his 2-year-old sons back.
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