Page 10 - Read The Found Prints Fingerprint Analysys
P. 10
Post-Lab
Solutions
1. What is the proper technique for rolling a 4. What was the most common unique
fingerprint? Where do you start and end on characteristic you recorded from the
each finger? fingerprints that you exam ined?
Describe process. Rolling from “awkward to Answers will vary.
comfortable”, pressing lightly, rolling from edge
of nail to other edge
5. Of all the fingerprints you examined, what was
the most common overall pattern?
2. When rolling prints from your left hand, which Answers will vary.
way do you roll your fingers and thumb?
Fingers: Counter Clock-wise, Thumb: Clock-wise
6. What technique or process did you use when
comparing prints to given fingerprint cards?
3. Describe the proper technique for lifting a Answers will vary.
print.
Describe process. Apply a very small amount of
powder to the brush, dust powder lightly across 7. Who did the evidence fingerprint belong to?
print, press the lifter lightly to the print without Unknown. The print did not belong to Lyle or
rubbing, lift straight up Louise. John Wayne Gretzky has been ruled out
as a suspect.
10 THE MYSTERY OF LYLE AND LOUISE
