Behind The New York City Attacks Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email This undated photo provided by the St. Charles County Department of Corrections in St. Charles, Mo., via KMOV shows Sayfullo Saipov. ( St. Charles County, Mo. Department of Corrections/KMOV / Associated Press ) Produced by Alexandra Botti Hosted by Todd Zwillich Produced by PRI and WNYC