that he will introduce. the government will introduce what we call the aggravating factors, the ones that justify the death penalty because we have young victims, vulnerable victims, a police officer, and we have maiming as a result of a weapon of mass destruction. >> because the trial is being held in federal court, but in massachusetts, federal jurisdiction which has the death penalty, massachusetts state law would not have the death penalty, there's a sort of spotlight on whether or not the jury might have some resistance to the death penalty regardless of the crime. just to the death penalty as a punishment. do they screen for that when they chose this jury? >> yes. the jury is what we call death penalty qualified. they were extensively interrogated with respect to their views and whether they could apply it if the law demanded he be put to death. so they're already qualified. it is a difficult job for the government to get a jury in massachusetts to determine that the death penalty, most serious penalty we can impose on anyone