sentences:  In May 2000, two men had their convictions for manslaughter quashed when it was disclosed that Lannas had testified at their trial that the victim had been killed by a stab wound and had no other injuries.Subsequent examination found a potentially fatal skull fracture.A 2001 disciplinary tribunal alleged that Lannas's pathology work "consistently fell substantially short" of expected standards and there were "substantive deficiencies" in "her technical approach and medical knowledge."