Elizabeth Harris a 48 year-old Queens native was stabbed to death early this morning by her ex-boyfriend Charlie Mitchell, 53 a registered sex offender. Mitchell entered the woman’s home on 96th St. in Far Rockaway & knifed her in the abdomen & in the head. Mitchell also assaulted the victim’s 16 year-old pregnant daughter & her 15 year-old daughter. Hit the jump for the full story. Amanda Mullen