NEW : Man has died in murder of body found in suitcase , authorities say . NEW : Hassan Malik , 55 , was arraigned Tuesday on a count of second - degree murder . Malik said he was acting in self-defense , Vollero said . NEW : Malik said he was acting in self - defense , DA also said . DA says : He admitted beating and strangling Betty Williams 28 .
NEW : Man has died in murder of body found in suitcase , authorities say . NEW : Hassan Malik , 55 , was arraigned Tuesday on a count of second - degree murder . NEW : Malik said he was acting in self - defense , DA also said . DA says : He admitted beating and strangling Betty Williams 28 .