James S. Brady Press Briefing Room
12:16 P.M. EDT
MR. CARNEY: Good afternoon, ladies and gentlemen. Thank you for being here today. I know there are several matters that I'm sure you’ll be interested in discussing today, a couple of issues that are under investigation by the FBI — and I thought I would start with that and then take your questions.
As you saw from a statement from the FBI, as well as a statement from the United States Secret Service, there was a letter sent to, addressed to the President that at an offsite mail facility was noticed to have contained a suspicious substance in tests that were undertaken. The FBI has the lead in that investigation, of course, and has said in its statement that they will be conducting further tests to determine what the nature of the substance is.
Of course, there was another letter, as you know, sent — or detected by Capitol Police that was sent to a United States senator. That also has been — is a subject of the investigation by the FBI. And for more information about these matters I refer you to the FBI.
The President — I'm sure you’ll ask this — the President has, of course, been briefed on these letters. He was briefed last night and again this morning.
Secondly, there is obviously a lot of interest in the explosions in Boston, and I wanted to make clear, as you heard from the President yesterday, that our hearts and prayers go out to the victims and to their families who were injured — those who were injured as well as killed in this heinous and cowardly act. The full weight of the federal government is behind this investigation, which is being led by the FBI. And as the President said, we will find out who did this, we will find out why, and we will bring those responsible to justice.
That said, it is very important that we allow this investigation to run its full course and to ensure that we retain the integrity of that investigation. Therefore, on matters related to the investigation, I would direct you to the FBI. As you know, the FBI is giving the press briefings on the ground in Boston and I believe they will be holding another briefing today.
The President, as you know, has been briefed regularly on the incident in Boston, beginning almost immediately after it took place. This morning, the President again convened a meeting in the Oval Office with his national security team on the ongoing investigation. Participating in that briefing was the Attorney General, Eric Holder; the FBI Director, Robert Mueller; the President’s Chief of Staff, Denis McDonough; his National Security Advisor, Tom Donilon; his Homeland Security Advisor and Counterterrorism Advisor, Lisa Monaco; Deputy National Security Advisor Tony Blinken; White House Counsel Kathy Ruemmler; Deputy Chief of Staff Alyssa Mastromonaco; Deputy National Security Advisor Ben Rhodes; and the Vice
