On the May 31 “Nightline” special edition, “Inside the Pulse Nightclub Terror,” ABC News’ Chief Investigative Correspondent Brian Ross took viewers inside the Pulse nightclub massacre. New body-camera footage and exclusive interviews with police and first responders revealed how the night unfolded, from the siege to the negotiation with gunman Omar Mateen to the moments when police stormed the club and rescued survivors, the network reported.
