Update: 1:21 p.m.: A man who loaned a gun used by the Boston Marathon bombers to kill a police officer has been sentenced to the 17 months he has already served and apologized, saying his actions were "dumb."
Stephen Silva told a judge Tuesday in U.S. District Court that he was "young, dumb, and thought I could outsmart everyone." He had pleaded guilty to gun and drug charges.
Silva testified during the trial of Dzhokhar Tsarnaev that he let Tsarnaev borrow a Ruger 9mm handgun two months before the bombings.
He says he didn't know about the bombers' plan and had no idea the gun would be used to kill an officer.
Prosecutors sought leniency, saying Silva's cooperation and testimony was critical in convicting Tsarnaev, who was sentenced to death.
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A man who loaned a gun used by the Boston Marathon bombers to kill a police officer is set to be sentenced on drug and gun charges.
Stephen Silva is scheduled to be sentenced Tuesday in U.S. District Court.
Silva testified during the trial of Dzhokhar Tsarnaev he let Tsarnaev borrow a Ruger 9mm handgun two months before the bombings. He said Tsarnaev told him he wanted it to rob University of Rhode Island students. He also said Tsarnaev "kept coming up with excuses" for why he didn't return it.
Prosecutors have said the gun was used by Tsarnaev and his brother to kill MIT police Officer Sean Collier days after the bombings.
Three people were killed and more than 260 were wounded in the 2013 bombings.
