BOSTON (AP) - Defense lawyers for Boston Marathon bomber Dzhokhar Tsarnaev said in a court filing Monday that he deserves a new trial in a different location where jurors will be impartial.

They argued that, because of widespread outrage in Boston after the deadly 2013 attack, jurors in the city couldn't be objective before finding him guilty and recommending a death sentence. As evidence of "continuous and unrelenting publicity," they provided a long list of public events held in honor of the victims, including a new city holiday and several races.

Widespread media coverage featured stories about survivors, including one "powerfully emotional" moment during the 2015 marathon when amputee Rebekah Gregory ran the last 3.5 miles on a prosthetic leg before falling to her knees at the finish line, crying, the filing said.

Banners posted around the city urged solidarity. Even on social media, the lawyers wrote, jurors were inundated with posts from relatives and friends.

"Put simply, prejudicial media coverage, events and environment saturated greater Boston, including the social networks of actual trial jurors, and made it an improper venue for the trial of this case," the filing said.

The filing concludes that the atmosphere tainted Tsarnaev's constitutional right to an impartial trial. It asks that his guilty verdict be overturned and that the court provide a new trial to determine his guilt and his penalty.

Federal prosecutors on Monday evening didn't immediately return a phone message or an email seeking comment on the request for a new trial.