Take a clear set of prints. Use both rolled and plain impressions. Make these on an 8-by-8-inch fingerprint identification card, available from your local police department or counselor.
Do the following:
Name the surfaces of the body where friction or papillary ridges are found.
Explain why plain impressions must be taken on a card.
Show you can identify the eight types of fingerprint patterns.
Give a short history of fingerprinting. Tell the difference between civil and criminal identification. Point out the purposes of each.
Merit badge requirements courtesy of Troop Farmington