The strange case of the Papin sisters is notable not only for its shocking violence but because the gender of both the perpetrators and victims was female. The case became a media sensation in France with its lurid undertones of lesbianism and incest; the motive for the crime was never quite clarified – was it simply raving madness or was it the calculated (and some would say righteous) revenge of two working-class girls against their oblivious employers? Instagram@mystery crime cigar. Twitter@ CFM_Podcast