The FBI's investigation of the April 15 bombing has turned from identification and apprehension of suspects to piecing together details of the plot, including how long the planning took, how it was carried out and whether anyone else knew or was involved.
A federal law enforcement official told The Associated Press on the condition of anonymity on Friday that the FBI was gathering evidence regarding "everything imaginable."
FBI agents picked through a landfill near the University of Massachusetts Dartmouth, where Tsarnaev was a sophomore. FBI spokesman Jim Martin would not say what investigators were looking for.
An aerial photo in Friday's Boston Globe showed a line of more than 20 investigators, all dressed in white overalls and yellow boots, picking over the garbage with shovels or rakes. |