It is often said that you can tell a lot about a person's personality by their zodiac or star-sign; whether they're mild-mannered, moody or mischievous, happy, half-witted or horny, astrologers believe that everything about us is "in the stars". But is this also true about serial killers? Can the stars predict a madness according due to the month they're born? Are Pisces predatory, Virgos vicious, Geminis less likely to garrote or an Aquarius almost certain to go ape-shit? And more importantly, do you share a star-sign (and personality traits) with a mass murderer? Let's find out.