Defense asks: As first conviction comes in Boston Marathon probe, will anyone be acquitted?

United States Attorney Carmen Ortiz, for the district of Massachusetts, speaks to members of the media outside federal court in Boston, Monday, July 21, 2014, after Azamat Tazhayakov was convicted of impeding the investigation into the Boston Marathon bombings. (AP Photo/Steven Senne) (The Associated Press)

Amir Ismagulov, of Kazakhstan, center, is surrounded by members of the media as he departs federal court Monday, July 21, 2014, in Boston, where his son Azamat Tazhayakov was convicted of impeding the investigation into the Boston Marathon bombing. Tazhayakov's trial was the first stemming from the 2013 bombings, which killed three and injured more than 260 near the marathon's finish line. (AP Photo/Steven Senne) (The Associated Press)

BOSTON – The conviction of a friend of Boston Marathon bombing suspect Dzhokhar Tsarnaev (joh-HAHR' tsahr-NEYE'-ehv) for impeding the investigation into the bombings has his lawyers wondering if anyone else who faces charges connected to the attack stands a chance of acquittal.

A federal jury on Monday found Azamat Tazhayakov (AZ'-maht tuh-ZAY'-uh-kahv) guilty of obstruction of justice and conspiracy for trying to protect Tsarnaev by agreeing with another friend to get rid of a backpack and disable fireworks they took from his dorm room.

One of Tazhayakov's lawyers says the verdict does not bode well for well for three other men charged with obstruction of justice or lying to investigators in connection with Tsarnaev and his brother, Tamerlan Tsarnaev, who was killed in a shootout with police days after the 2013 bombings.