Abstract: A method and system and for screening and indicating individuals with hidden intent, wherein the system comprises: a) a working place for fulfillment of at least one stated assignment; b) a stimuli exposure block configured to exposure at least one stimuli to said working place within at least one exposure timeframe while said timeframe is contemporary with individual's fulfillment of at least one stated assignment and said stimulus does not require an active direct reaction from the individual and is intended to cause a psycho-physiological reaction; c) sensors and measuring tools block configured to register individual's psycho-physiological characteristics giving rise to registered parameters; and a processor configured to compare the registered parameters or derivatives thereof with a test criterion and to facilitate indication of hidden intent in case of predefined discrepancy.