The JFK Library explosion that occurred after the Boston Marathon explosions was considered not connected to the other two according to officials, who were still looking at the main bombing site on Tuesday as the President said that the perpetrators would feel the full weight of justice.
Late Monday, police searched a Boston area apartment of a Saudi Arabian student who was injured in the blast, law enforcement sources said. At this point, no one is in custody in connection with the Monday afternoon attack that left three dead and sent 176 to area hospitals, Boston Police Commissioner Ed Davis said at a press conference. Of the injured, 17 remain in critical condition.
On Tuesday, law enforcement sources briefed on the case said that the evidence was indicating that the Saudi student, who had been temporarily considered a "person of interest" in the investigation, would be cleared of suspicion and was unlikely to shed any light on the attack.
Numerous other theories and leads in the investigation are being looked at, the sources said, but at present there is no particularly strong lead or theory that is being pursued.
Dispelling earlier reports of as many as seven devices being found around Boston, Gene Marquez, assistant special agent in charge for the U.S. Bureau of Alcohol, Tobacco and Firearms, said authorities had determined that the only bombs deployed in the attack were the two that detonated shortly before 3 p.m. ET (1900 GMT) on Monday.
Any unexploded device might have provided a clearer picture of what materials were used and how the bomb was assembled, furnishing leads in the case.
(Reuters)
