A Fort Lee woman is charged with endangering the welfare of a child and related crimes following the fatal overdose of a 12-year-old girl, according to a news statement. The girl died Saturday after authorities found her unresponsive at a home on Maple Street in Fort Lee, according to the statement from the Bergen County Prosecutor’s Office. Police were called to the home at 3:34 p.m. and the girl was taken to Hackensack University Medical Center, where she was pronounced dead, the release says. Frances Caso, 48, has been charged with endangering the welfare of children, drug possession and po…