Toolmarks

IMFL uses a variety of microscopic and lighting techniques to compare toolmarks made in a variety of situations. We can examine locks for tampering, compare toolmarks made in burglary cases, etc...

Questioned Documents

1. • Microscopic Exam
   

2. • Macroscopic Exam
   

3. • Varying lighting conditions
   

4. • Chemical ink comparisons
   

5. • Photocopy vs. original
   

6. • Indented or obliterated writing
   

7. • Damaged documents or old writing
   

8. • Invisible writing
   

9. • Chemical erasure
   

10. • Print type - dot matrix, inkjet, laser, typewriter