As forgers of identity documents leave necessary remnants or traces of their craft and of the materials they use during the manufacturing process, it seems appropriate to develop a strategy to extract relevant information not only about their modus operandi, but also about their connections, organisation and criminal structure. Nowadays, forensic document profiling embraces this very potential, using essentially visual and physical examinations of documents. This practice, though efficient, could be enhanced by a chemical approach that may provide complementary information, as this article explains.