Almost any document can be questioned using forensic investigation techniques including:

  • Personal/corporate identification
  • Contracts
  • Titles
  • Wills
  • Stamps
  • Seals
  • Handwritten correspondence
  • Photos
  • Copies of official documents
  • Currency
  • Emails
  • Obliterated writing
  • Graffiti
  • Signature forgeries
  • Handwriting identification