4. Discussion
The first consideration, concerning the forensic purposes of our study, is related to the usefulness of the presented method. We showed that it works better when you deal with sebaceous latent prints and when the paper was treated with ninhydrin,furthermore, in the last section, we verified that it works even when you deal with solutions for thermal paper. Moreover, we
found that the NIR luminescence of the fingermarks developed with the 1,2-indanedione or DFO can be exploited in order to