A police officer looks at an SUV that was crushed at the front of a Metro-North Railroad train Wednesday, Feb. 4, 2015, in Valhalla, N.Y.  Five train passengers and the SUV&#xed;s driver were killed in Tuesday evening&#xed;s crash, about 20 miles north of New York City. Authorities said the impact was so forceful the electrified third rail came up and pierced the train. Photo: (Mark Lennihan &#x2014; The Associated Press) / AP