Name_______________________________________________Date____________________Per____
Fingerprinting Lab Worksheet
Prelab Questions
Answer the following questions in complete sentences on your own paper
1. What are the three basic categories used for fingerprint analysis? Describe each category.
2. What is the most common category of print? What is the least common?
3. What is a latent vs a visible print?
4. How are prints that are collected at real crime scenes typically analyzed?
I.
II.
III.
Balloon prints (label the type and four points of minutiae in each print)
Print #1
Type:
Minutiae
1.
2.
3.
4.
Print #2
Type:
Minutiae
1.
2.
3.
4.
Print #3
Type:
Minutiae
1.
2.
3.
4.
Print #4
Type:
Minutiae
1.
2.
3.
4.
Graphite Print (tape to group index card and label)
Inked print (complete on the back of fingerprint challenge sheet)
a. Determine loops, arches, whorls
b. Circle and label 4 points of minutiae in each print (different from the ones you identified in Part
I)
Calculate your primary classification in the box below
IV.
Lifting Prints
Tape lifted print below
V.
Superglue fuming
Name_______________________________________________Date____________________Per____
VI.
Super Glue Fuming
Tape lifted prints below
Slide
VII.
Fumed bottle cap
Un-Fumed bottle cap
Identifying Fingerprints
Tape lifted prints below
VIII.
Identifying a Suspect
Tape lifted prints below
Post Lab Questions
Answer the following questions in full sentences on your own paper
1. Did the prints match any of the suspects or the homeowner? If so, which prints matched which
people?
2. List the print pattern and 4 points of minutiae that helped you identify each print.
3. Did the super glue fuming make it easier or harder to lift the print off of the bottle cap? Explain.
4. Which technique produced the easiest prints to analyze? Which produced the hardest? Explain.
5. What categories of prints were most common in fingerprints you analyzed in this lab? Was it the
category you were excepting to be the most common? Explain.
6. Which points of minutiae were easiest to identify? Which were hardest? Explain.