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Homemade Fingerprint Duster

Written by Paulo Martirez on Saturday, September 01, 2007

Feel like to be one of the CSI forensic experts? For the CSI fanatics out there, here's one post you should not miss.

Real-life CSI forensic experts dust fingerprints generously with aluminum powder. Ok! But since you are only a wannabee... And since aluminum powder is not that easy to find. Let's make one that is easy even a kid can make.

Here's how to make some homemade fingerprint duster yourself.

• Starch powder
• A candle
• 2 porcelain dishes
• A knife


1. Put a little starch powder on a dish.

2. Light the candle (For kids please ask the help of an adult), and hold the second dish in the flame.

3. The candle flame will deposit soot on the second dish. Scrape this soot from the dish and deposit it on the starch powder. Keep doing this, until the amount of soot matches the amount of starch powder.

4. Mix the two together, and your done!

NOTE(S): When your ready to lift a print, dust it generously. Then, blow the excess away from the fingerprint.

To lock the fingerprint in place, cover it with clear tape, and stick it on a clear card.

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