This work we propose an analysis of some aspects regarding forged identity and travel document, because, the forgery of identity cards, passports, driver licences, weapon licences has become a very frequent felony in the legal practice in Romania. The most frequent documents that are forged in Romania are passports, driver licence and the documents regarding certain merchandise. The counterfeit of administrative documentation, of pay instruments, identity theft are more frequent along with other type of criminal offences. Regarding the identity theft, the most common way to do the forgery is by replacing the photo or by replacing certain pages of the document with personal information. Usually this fake information is easily to discover because of the security details that every official document has, there by, any mechanical of chemical intervention will alter the protection fund and the forgery can be exposed under ultraviolet radiation.