The signatures weren't forgeries. They were duplicates of signatures from other documents the tenants had signed.After moving with her family from Sudan to the United States, a little girl becomes ill and dies; authorities must determine how and why it happened. When they turned to forensic science for help, they uncovered an almost unbelievable story of forgery, fraud and murder. 1-877-5-NO-SCAM (1-877-566-7226) (919) 716-6000. In the early 1980s, Mark Hofmann, a document dealer and master forger, created several hundred forged documents using this method.