Reagent
Cyanoacrylate Ester
1. Place item into enclosed chamber.
2. Select an application method.
Liquid glue: Deposit an amount of glue about 20mm in diameter on a small foil dish and place on hot plate.
Commercial “gel-pac”: Open pack to release fumes.
3. Add humidity source (e.g. small cup of water or humidifier). Optimal between 70 – 80% relative humidity.
4. Close chamber and fume item for at least 10 minutes, monitoring often for progress of development.
5. Remove item and evaluate development under an oblique light source.
6. Capture images of ridge detail using 1:1 photography.
View under
Normal Vision
Goggles / Filter
None
Development Color
White
REFERENCES
Chesapeake Bay Division, International Association for Identification. (2010). “Cyanoacrylate Ester”. Retrieved from https://www.cbdiai.org/cyanoacrylate-ester.html
DEA Office of Forensic Services. (2020). Latent Print Examination Manual. “Cyanoacrylate Fuming”, pp. 106 – 107. Retrieved from https://www.dea.gov/sites/default/files/2020-05/2020%20Latent%20Print%20Examination%20Manual%20DEA.pdf
FBI Laboratory Division. (2000). Processing Guide for Developing Latent Prints. “Cyanoacrylate Fuming (Microburst Method)”, pp 18. https://archives.fbi.gov/archives/about-us/lab/forensic-science-communications/fsc/jan2001/lpu.pdf