1. Chapter 3
Case Studies

2. Gerald Fit Mason
1957 – man pointed gun at 4 teens, robbed them, and raped one of the girls; stole car; ran red light; shot & killed two officers when pulled over
2 hours later – 1949 Ford found abandoned
Dusted for prints – found 2 latent thumb prints on steering wheel
No match

3. 2003 – (46 years later) – rechecked latent prints
Used digital fingerprinting technology to make digital copies
Stitched together prints
Ran through IAFIS
Match to Gerald Fit Mason

4. Mason arrested 1/24/2003 for rape, murder, robbery
3/21/2003 – confessed
2 life sentences

5. Roger Reece Kibbe I-5 strangler
Decade long murder spree along Interstate 5 near Sacramento
Victims – strangled, bound, hair cut, clothes cut in unusual pattern
All similarities  same suspect
Kibbe charged with killing 17-year-old runaway Darcie Frackenpohl

6. Used microscopic & fiber analysis
Comparison microscope –
- rope in Kibbe’s car same kind used to strangle Darcie
Electron Microscope –
- showed ropes had 10 elements in common & paint sprayed near each rope, traces of same air contaminants

7. May 10, 1991
- Reece sentenced to 25 years to life

8. Career
Latent fingerprint expert