Defense lawyers for accused Boston Marathon bomber Dzhokar Tsarnaev [[ joh-HAHR zar-NYE-ev ]] want the trial moved to Washington D.C. They say based on a survey there is "an overwhelming presumption of guilt in Massachusetts." Tsarnaev has pleaded not guilty to federal charges and he could face the death penalty if convicted. The bombs that exploded on April 15th. 2013, near the race finish line, killed three people and injured more than 260 others.