A 46-year-old Rockville woman faces attempted murder and child abuse charges over an allegation that she tried to saw off her 11-year-old son’s head with a tree saw, according to Montgomery County police charging documents. Kristina Naranch Petrie of the 14300 block of Gaines Avenue was ordered held without bail, according to online court records. … Continue reading Police: Woman Tried to Saw Off Son’s Head