Katherine Comments On Unpaid Workers at Michael Jackson Tribute

Scores of crew members recently went on Twitter to slam Global Live -- the concert producers -- and insist the company stiffed them after they busted their asses for the event.

Katherine's lawyer tells us, "After Mrs. Jackson did all she could to help promote and make this a great event for all of Michael's fans, she is extremely displeased to hear that concert promoters have allegedly failed to pay their bills."