On Tuesday the White House released the following timeline of official actions following the weekend bombing attempt in New York's Times Square:
Saturday, May 1
9:30 p.m. White House Situation Room notifies the National Security staff that an apparent car bomb had been discovered in Times Square.
10:44 p.m. John Brennan, Assistant to the President for Homeland Security and Counterterrorism, speaks briefly about the incident with David Cohen, the Deputy Commissioner of Intelligence for the New York Police Department.
10:50 p.m. – midnight: John Brennan provides President Obama with three separate updates on the developing situation.
Sunday, May 2
At 9:30 a.m. John Brennan speaks with Homeland Security Secretary Janet Napolitano.
11 a.m. Brennan briefs President Obama aboard Marine 1, continuing the briefing on Air Force One, en route to Louisiana for a trip related to the Deepwater Horizon oil spill. The president directs follow-up contact with departments of Homeland Security, Justice and the NYPD.
1:15 p.m. During the flight, President Obama calls New York Mayor Michael Bloomberg.
2:20 p.m. John Brennan relays to New York Police Commissioner Raymond Kelly and Deputy Commissioner of Intelligence David Cohen the president's offer of support and assistance.
3 p.m. Nicholas Rasmussen, Senior Director for Combating Terrorism Strategy, convenes an interagency meeting on this incident in the White House Situation Room. Following this first meeting, the National Security staff began coordinating its interagency strategy for legislative outreach.
3:25 p.m. President Obama praises the New York police and fire departments and the FBI for acting "swiftly and aggressively" during the incident. "We're going to do what's necessary to protect the American people, to determine who is behind this potentially deadly act, and to see that justice is done," the president says.
7 p.m. Aboard the flight back to Washington, White House press secretary Robert Gibbs meets with the traveling press corps and answers questions about the New York incident.
Monday, May 3
8 a.m. The National Security staff convenes an interagency meeting on the unfolding events in the White House Situation Room.
Noon: John Brennan briefs President Obama on the situation in the Oval Office. John Brennan briefs the president again at 1 p.m. on new developments and provides answers to his earlier questions.
1:28 p.m. President telephones Duane Jackson, a 58-year-old handbag vendor, to thank him for his vigilance and quick action in reporting the smoldering SUV.
3 p.m. Michael Leiter, director of the National Counterterrorism Center, convenes an interagency meeting in the White House Situation Room.
5 p.m. John Brennan again briefs the president Obama in the Oval Office.
8:50 – 10:50 p.m. President Obama is updated three separate times by Brennan on new developments in the rapidly evolving situation.
11:45 p.m. Faisal Shahzad is arrested at John F. Kennedy International Airport.
Tuesday, May 4
12:05 a.m. John Brennan briefs President Obama on the arrest of Faisal Shahzad. (Shahzad was first questioned by agents under the public safety exception to Miranda to determine whether there was an imminent threat to public safety, per normal procedures. The Justice Department briefs five other federal agencies, including the CIA and the Department of Homeland Security, on the interrogation and consulted those agencies on the possibility that a Miranda warning would be provided. After the FBI agents made the determination that no imminent threat was identified, the suspect was provided with a Miranda warning, and he waived his right to counsel. The suspect continues to talk to agents and has provided useful information.)
1 a.m. Brennan speaks to Deputy Commissioner Cohen of the NYPD.
1:30 a.m. Attorney General Eric Holder issued a statement on camera about Shahzad's arrest.
7:06 a.m. and 7:39 a.m. John Brennan updates President Obama on the situation.
(Tuesday morning, President Obama calls Lance Orton and Officers Wayne Rhatigan and Pam Duffy to thank them for their vigilance. Lance Orton and Duane Jackson (whom the President called Monday) were the vendors who first reported the suspicious vehicle. Rhatigan and Duffy were the officers on the scene whose actions led to the evacuation of the area and the immediate response.)
9:30 a.m. Brennan briefs President Obama in the Oval Office.
1:00 p.m. President Obama calls Customs and Border Protection Commissioner Alan Bersin to thank him for his agency's rapid response and asked him to be sure to pass along congratulations to his team.
3:30 p.m. The president convenes weekly homeland security meeting in the White House Situation Room. Participants include: Chief of Staff Rahm Emanuel, National Security Advisor Gen. James Jones, Defense Secretary Robert Gates, Secretary of State Hillary Clinton, Chairman of the Joint Chiefs of Staff Adm. Michael Mullen, Attorney General Eric Holder, Assistant to the President for Homeland Security and Counterterrorism John Brennan, Homeland Security Secretary Janet Napolitano, Deputy National Security Advisor Tom Donilon, Director of Central Intelligence Leon Panetta, National Security Agency Director Lt. Gen. Keith Alexander, and Deputy FBI Director John Pistole, Director of the Intelligence Staff for the Office of the DNI Lt. Gen. John Kimmons, and Director of the National Counterterrorism Center Michael Leiter.