The sisters-in-law of dead Boston Marathon bombing suspect Tamerlan Tsarnaev testified on Thursday afternoon before a federal grand jury looking into the attack, their lawyer told The Associated Press.
Amato DeLuca, who represents Tsarnaev's widow, Katherine Russell, and her family, said Anna and Rebecca Russell testified at the federal courthouse
in Boston. Their parents, Judith and Warren Russell, testified before the grand jury in September, but Katherine hasn't been called.
A spokeswoman for the U.S. attorney's office would not confirm that the Russell sisters had testified. She did not respond to questions about why they were called or whether Katherine Russell is being investigated for anything having to do with the April 15 bombing.
Three people were killed and 260 people were injured when two pressure-cooker bombs went off at the finish line of the Boston Marathon. Tsarnaev was later killed in a shootout with police. His brother, Dzhokhar, was indicted on 30 counts in June and faces the possibility of the death penalty. Three of his friends were also indicted for allegedly lying to investigators or trying to cover up his role after the bombings.
DeLuca told the AP that the sisters had visited Katherine on occasion in Cambridge and knew the Tsarnaevs but had no suspicions about them. He said he believed prosecutors are calling everyone who has any possible connection to the brothers.
