A police officer stands guard as Simon Rubin, 25, arranges flowers at a makeshift memorial to remember the victims of the recent truck attack near the crime scene on Thursday, Nov. 2, 2017, in New York. A man in a rental truck mowed down pedestrians and cyclists along the busy bike path near the World Trade Center memorial on Tuesday, killing at least eight people and seriously injuring others in what the mayor called "a particularly cowardly act of terror." (AP Photo/Andres Kudacki)