PhotoIn police parlance, it is known as a line search. Officers line up shoulder-to-shoulder at the edge of a crime scene and slowly move forward in unison, searching for clues. agents and bomb technicians gathered at the corner of Avenue of the Americas and began the line search, walking slowly west toward Seventh Avenue. On West 23rd Street that night, the roadway was divided into a grid. If an officer saw something that warranted closer examination, he or she raised a hand, and a bomb technician came over to inspect, agents testified at trial.

Source: New York Times October 04, 2017 23:26 UTC