A Grand Jury indicted two college friends of Boston bomber Dzhokhar Tsarnaev on federal obstruction of justice charges Thursday, according to The Boston Globe.

The jury ruled that Dias Kadyrbayev and Azamat Tazhayakov, 19, took evidence from Tsarnaev's dorm room at the University of Massachusetts Dartmouth, threw it in the trash and watched a garbage truck take it away days after authorities publicly identified Tsarnaev as a suspect in the Boston Marathon bombing that took place on April 15. The items were later recovered by law enforcement officials after several days of searching a New Bedford dump, according to Boston.com.

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According to U.S. Attorney Carmen Ortiz's office, the friends took the items after Tsarnaev sent them a text message telling them they could go to his dorm room and "take what's there.'' The indictment, released to the public, includes the text of the message Tsarnaev sent, which partially read, "If yu [sic] want yu [sic] can go to my room and take what's there."

The former students from Kazakhstan were arrested on April 20 for immigration violations and first charged in May in U.S. District Court, but the recent indictment increased their possible prison sentence from five to 25 years. Both also face possible deportation to Kazakhstan, according to reports.

They are to be arraigned at 2 p.m. Tuesday, Aug. 13, in U.S. District Court in Boston. They are being held without bail at the Essex County Correctional Facility in Middleton. 

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A third friend, Robel Phillipos of Cambridge, was not indicted Thursday, though he was one of the friends charged in May with lying to investigators. His lawyers reportedly filed a motion Wednesday in U.S. District Court in Boston saying Phillipos is "engaged in negotiations aimed at possible resolution of this matter."

Lawyers for the two indicted friends said Thursday that the teenagers had no idea Tsarnaev was involved in the Boston attack that killed three people and injured over 200 others.

"It's disappointing that the government would charge Dias and Azamat, given that they cooperated fully," Robert G. Stahl, Kadyrbayev's lawyer, told Boston Globe.

"I personally feel this is a witch hunt," Tazhayakov's lawyer, Arkady Bukh, said. "This is a case that should go to trial, and the client should have an opportunity to explain his behavior to a jury. If the government doesn't feel like dismissing the case, we will go to trial."

Tsarnaev is being held without bail and is facing multiple federal charges, including several that include the possiblity of the death penalty.

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