The Manhattan District Attorney's Office has released a statement to ET in regard to the alleged extortion case involving David Letterman . The statement reads: "The defendant Robert Joel Halderman , a.k.a. Joe Halderman , [who] is 51 years old of Norwalk, CT, was indicted on an attempted grand larceny charge. The crimes charged in the indictment occurred between September 9th and September 30th of 2009. "The investigation leading to today’s indictment reveal[s] that Halderman waited outside Letterman's Manhattan home at 6 a.m. on September 9th to deliver a letter and other materials to him as he was leaving for work. Continue reading... Related stories: David Letterman Says Someone Attempted to Extort Him Over Affairs President Obama Shows Humor, Talks Racism on 'Letterman'