Which of the following techniques is considered effective to develop latent fingerprints on non-porous surfaces?
A. Super glue
B. Ninhydrin
C. Diazafluorenone (DFO)
D. Crystal violet
Answer:A
Which of the following techniques is considered effective to develop latent fingerprints on non-porous surfaces?
A. Super glue B. Ninhydrin C. Diazafluorenone (DFO) D. Crystal violet