Man threatens to stab roommate in heart with knife, tells MNPD he will play the “retard card” to get away with it

Metro Police say Ian Peterson told them he would play the “retard” card and get away with his aggravated assault charge “like had every other time”. Peterson is charged with pulling knife on a man he shared a room with in a boarding house, threatening to stab in in the heart, and cutting the window blinds while commenting on how “good that knife slices”.