Brooklyn subway shooting

Members of the New York Police Department patrol the streets after a rush-hour shooting at a subway station in Brooklyn on April 12. Timothy A. Clary/AFP via Getty Images hide caption

Zack Tahhan, a witness who reportedly notified police of Frank James' whereabouts, gives an interview after leaving the 9th Precinct. James is currently being held in federal lockup in Brooklyn, the Associated Press reported April 14. Michael M. Santiago/Getty Images hide caption

Frank James, the suspect from Tuesday's attack on a Brooklyn subway station, made his first appearance in court on Thursday. John Minchillo/AP hide caption

Members of the New York Police Department and emergency vehicles crowd the streets near a subway station in the Brooklyn borough of New York on Tuesday. Timothy A. Clary/AFP via Getty Images hide caption