[JURIST] Three former employees of Medical Manager Health Systems Inc., recently purchased by WebMD [corporate website], pleaded guilty to charges of mail fraud on Tuesday. Federal prosecutors in South Carolina filed charges against the three, including Robert W. Davids, a vice president of Medical Manager, that alleged a systematic plan to receive kickbacks from companies aquired by Medical Manager by forcing those companies to raise prices on products. WebMD has been cooperating with the US Attorney's Office to conduct a full investigation of all WebMD management in order to ensure compliance with the law. AP has more.