Lawyers for former New England Patriots player Aaron Hernandez have filed motions to dismiss the indictment against their client charging him with a double slaying in Boston in 2012.

The motion says there was insufficient evidence presented to the grand jury to establish probable cause; the state impaired the integrity of grand jury proceedings; and the court lacks jurisdiction.

Prosecutors say Hernandez killed Daniel de Abreu and Safiro Furtado after a chance encounter at a Boston nightclub. They say after de Abreu accidentally bumped into Hernandez, Hernandez followed the men in a Toyota 4Runner, pulled up to their car and opened fire.

Hernandez is serving a life sentence for the unconnected 2013 killing of Odin Lloyd.

A spokesman for the Suffolk district attorney says prosecutors have not yet filed their response.  (Associated Press)

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