article_snippet: The girlfriend of an off-duty police officer has been charged with shooting an off-duty police officer to death inside The girlfriend of an off-duty police officer home after The girlfriend of an off-duty police officer originally contended it happened accidentally when The girlfriend of an off-duty police officer removed a gun from their dog's mouth, authorities said.
highlights_snippet: The girlfriend of an off-duty Pennsylvania police officer who was shot and killed over the weekend is in custody .
  