article_snippet: The bomb, described as similar to the twin bombs set off at .
article_snippet: Corcoran, though the pieces found in Watertown were more intact .
article_snippet: Pieces of the bomb shrapnel were found on nearby roofs, lawns, and lodged in the siding of homes up to a block away .
article_snippet: A piece of shrapnel metal seen above with BBs stuck to it on the street where Dzhokhar's threw pipe bombs and a pressure-cooker bomb, on the left.
article_snippet: On the right, a remnant of the bottom of the Watertown pressure-cooker bomb .
article_snippet: Pieces of the bomb shrapnel were typically more fragmented, more cut up,' Corcoran testified in U.S. District Court in Boston, looking at . both the main pot and its lid, which was found halfway down the . block from the blast site, in a child-sized soccer goal in a . home's side yard. '