The Daily

The Islamic State has now claimed credit for the attack in Manchester, England. What happens in the hours between an act of terror and the claiming of responsibility? Plus: highlights from the latest testimony of a U.S. official about ties between Russia and the Trump campaign. Guests: Rukmini Callimachi, who covers the Islamic State; Matt Apuzzo, who covers the C.I.A. For more information on today’s episode, visit http://nyti.ms/2rD5ve0.