Here is what’s known so far:
On Monday, shortly before 3:00 pm, two bombs were detonated near the finish line of the Boston Marathon.
Another bomb was detonated shortly after at the JFK Library.
Twelve people were killed.
Three people were killed and more than a hundred injured.
Shortly before the bombing, a Facebook page went up expressing sympathy for the victims of the bombing.
Shortly before the bombing, an announcement was made at the finish line for everyone to remain calm.
A photo showed a distraught man hugging his dead girlfriend, who he had planned to propose to after the race.
One of the victims was an 8-year-old girl from Sandy Hook.
Boston cell phone service was shut down to prevent the accidental detonation of other bombs.
A Saudi national has been identified as the bomber and is under custody.
The New York Post has a photo of the two bombers on its cover this morning.
This is clearly the work of Middle Eastern terrorists.
This is clearly the work of American right-wing extremists.
The bombing shows a high level of sophistication.
Anyone can create a pressure-cooker bomb; the instructions are available on the Web.
Clearly our intelligence community is failing us because it failed to pick up any chatter about this latest plot.
The FBI has identified a suspect and made an arrest.
The FBI released photos of two men and asked for the public’s help in identifying them.
The photos clearly show olive-skinned Arab men.
The photos clearly show white Americans.
The suspects were identified as local residents of Chechen descent whose family came to America in 2002.
Shortly after robbing a 7/11, the suspects apparently shot a campus security officer at MIT, then carjacked a Mercedes SUV, by which they were tracked to Watertown, MA. During a shootout, one of the suspects was killed while the other one escaped.
One of the suspects has been identified as a Brown student missing since the middle of March.
One of the suspects, stripped naked, was arrested by police.
The younger suspect’s social media accounts show a mellow kid unlikely to become a terrorist.
The younger suspect’s social media accounts show a devotion to Islamic extremism.
We will provide more misinformation as it becomes available.