I'm having difficulty with the question ... What the hell did I do? Killed them all, of course." The Associated Press reported that a March 1999 letter from Durst to Berman, discovered by her stepson and turned over to the filmmakers during their research, provided "key new evidence" leading to the filing of murder charges. A few days after a first-degree murder warrant was signed by a Los Angeles judge in relation to the Berman killing, Durst was arrested by FBI agents on March 14, 2015, at the Canal Street Marriott in New Orleans, where he had registered under the false name "Everette Ward." Durst, who had been tracked to the hotel after making two calls to check his voicemail, was observed wandering aimlessly in the lobby and mumbling to himself, having driven to New Orleans from Houston four days before. In addition to a .38 revolver loaded with four live rounds and one spent shell casing, police recovered five ounces of marijuana, Durst's birth certificate and passport, maps of Louisiana, Florida, and Cuba, a "flesh-toned" latex mask, the fake Texas ID used to check into the hotel, a new cellphone, and cash totaling $42,631. Police discovered a UPS tracking number, which led to an additional $117,000 cash and a pair of shoes in a package sent to Durst by a friend in New York, which was seized after his arrest. Bank statements found in one of Durst's Houston condominiums revealed cash withdrawals of $315,000 in little more than a month. On March 15, 2015, New York State Police investigator Joseph Becerra, long involved with the McCormack case and said to have been working closely with the FBI and Los Angeles detectives, removed some 60 file boxes of Durst's personal papers and effects from the home of Durst's friend Susan T. Giordano in Campbell Hall, New York. All of these items had been sent to Giordano for safekeeping three years prior by Debrah Lee Charatan, Durst's wife at the time. Also stored at Giordano's residence were videotaped depositions of Durst; Durst's brother, Douglas; and Charatan, all of which were related to the Black case. Los Angeles County Deputy District Attorney John Lewin, in charge of prosecuting Durst, claimed to have found information uncovered by the filmmakers in the HBO documentary series "The Jinx" to be compelling and repeatedly flew to New York to interview witnesses, including friends of Durst and Berman.