The enigma of King Herod as a cruel bloodthirsty tyrant on the one hand, and a great builder on the other is discussed in a systematic modern historical and psychological study. It seeks to unravel the contradictory historic mystery of the man and his deeds. After A. Schalit's Knig Herodes, this study is a new comprehensive, pioneering study on the intriguing personality of Herod, also using the insights of psychology. Herod's mental state reached an acute level, consistent with the DSM-IV diagnosis for "Paranoid Personality Disorder". He grew up with an ambiguous identity and suffe.