Dye Stain
M.B.D.
1. Select an application method.
Tray immersion: Submerge item in M.B.D. solution.
Spray application: Evenly spray M.B.D. solution with a squirt bottle onto the item.
2. Allow item to air dry.
3. Ridges will develop a yellow color and can be captured using 1:1 photography.
4. View ridge detail using a forensic light source in the 435 – 515nm range using orange goggles.
5. Capture ridge detail with 1:1 photography using an orange barrier filter.
View under
435 - 515nm
Goggles / Filter
Orange
Development Color
Yellow
REFERENCES
FBI Laboratory Division. (2000). “MBD (Fluorescent Dye)”, Processing Guide for Developing Latent Prints, pp. 52 – 53. Retrieved from https://archives.fbi.gov/archives/about-us/lab/forensic-science-communications/fsc/jan2001/lpu.pdf