Las Vegas mother kept girl, 7, locked in room for year 'for her safety' after witnessing sexual assault before 1-year-old died: docs

Las Vegas mother kept girl, 7, locked in room for year 'for her safety' after witnessing sexual assault before 1-year-old died: docs

LAS VEGAS (KLAS) -- A Las Vegas mother -- whose 1-year-old died while she left her 15-year-old to care for his siblings in a filthy, overheated home -- told police she locked her 7-year-old daughter in her room for a year after her ex-boyfriend allegedly sexually assaulted the girl, documents the 8 News Now Investigators obtained Thursday said. A grand jury indicted Philena Dees, 37, last week on seven counts of child abuse, neglect, or endanger…