NEW : Dental records confirm remains are Morgan Harrington , police say . Skeletal remains found Monday morning in hay frield on 700-acre farm . Score: 6 Harrington 's purse , cell phone found next day in overflow parking lot near arena .
NEW : Dental records confirm remains are Morgan Harrington , police say . Skeletal remains found Monday morning in hay frield on 700-acre farm . Student was separated from friends at Metallica concert on October 17 . Harrington 's purse , cell phone found next day in overflow parking lot near arena .