Residue on cell phones used to create ‘portraits’ of users

images-from-cell-phones(CNN)Everything we possess contains chemical traces of us. Researchers suggest this simple truth can be put to use in the forensic sciences in a new “proof-of-concept” study funded by the National Institute of Justice and published this week in the journal Proceedings of the National Academies of Sciences.(CNN)Everything we possess contains chemical traces of us. Researchers suggest this simple truth can be put to use in the forensic sciences in a new “proof-of-concept” study funded by the National Institute of Justice and published this week in the journal Proceedings of the National Academies of Sciences.