@ALRForensics
Detection of Document Alterations

The examination of a document for the presence of alterations, may include one or many of the following:

  • Detection of Page Substitutions (see fig. 1) Detection of Insertions (see fig. 2)
  • Decipherment of erasures & obliterations
  • Comparison of inks using non-destructive techniques Detection of computer aided "cut and paste" manipulations.
  • Typewriter/Fax/Photocop ier Examination & Identification
  • Computer aided examination

  • Types of Cases:
  • Medical Records/Charts
  • Wills
  • Contracts
  • Lease Agreements
  • Loan Agreements
  • Applications

Document Alterations

Paper Substitution


Up-Numbering Insertion



Detection of Document Alterations

Examination of Medical Records/Charts

Field Examination



Wills - Deeds - Leases - Contracts - Trusts - Forged Mortgage Documents - Medical Records - Checks -
Ledgers - Anonymous Letters - Written Exams - Harassing Letters - Divorce/Pre-Nup Documents