Police in Bergen County shot and killed a woman who was purportedly in a mental health crisis and armed with a knife, according to state prosecutors. The New Jersey Attorney General’s Office said it is investigating the shooting, which happened overnight Sunday at an apartment building in Fort Lee. About 1:25 a.m., officers were called to The Pinnacle apartments on Main Street by a man who reported his sister was holding a knife, having a mental health crisis and needed to go to the hospital, according to a news release. Outside the apartment, police spoke to the caller in the hallway, before …