Federal authorities have requested to interview Katherine Russell, the widow of suspected Boston Marathon bomber Tamerlan Tsarnaev, her lawyer said Sunday.

Attorney Amato DeLuca claims that Katherine Russell Tsarnaev did not speak with the federal authorities who came to her parents’ North Kingston, R.I., home on Sunday evening, The Associated Press reports. Russell has been hunkered down at her parents’ house since her husband was killed during his ill-fated escape attempt Friday morning.

Tamerlan Tsarnaev and his brother, 19-year-old Dzhokhar Tsarnaev, stand accused of planting the pressure cooker explosives at the Boston Marathon that killed three people and injured more than 170 others.

DeLuca stated that he spoke to the authorities in Russell’s place, but refused to elaborate on the details.

"I spoke to them, and that's all I can say right now," DeLuca told AP. "We're deciding what we want to do and how we want to approach this."

The lawyer also provided information on Tsarnaev’s movements, claiming that "he was home" when his wife left for work mere hours before he was slain, AP reports. When asked whether or not Russell suspected her husband of any wrongdoing, DeLuca said, "Not as far as I know."

According to DeLuca, Russell first learned that her husband was a suspect in the Boston Marathon bombings while watching television.

Russell’s hectic work schedule likely contributed to her lack of knowledge pertaining to her husband’s crimes. DeLuca told AP that she works anywhere from 70 to 80 hours each week, working seven days a week as a home health care aid to support the couple's young daughter. Tsarnaev cared for the toddler, 3, while his wife worked, DeLuca said.

"When this allegedly was going on, she was working, and had been working all week to support her family," he said.

DeLuca added that Russell had limited contact with surviving Boston Marathon suspect Dzhokhar Tsarnaev, who was away at college in the weeks leading up to the attack.

While attending Suffolk University, Russell met Tsarnaev through mutual friends at a nightclub, DeLuca told AP. They dated for a few years before marrying in 2009 or 2010.

Although she was raised Christian, Russell converted to Islam at some point after meeting Tsarnaev. "She believes in the tenets of Islam and of the Koran. She believes in God,” DeLuca told AP.

On Friday night, Russell’s family released a statement expressing sympathy for the attack’s victims. "Our daughter has lost her husband today, the father of her child. We cannot begin to comprehend how this horrible tragedy occurred. In the aftermath of the Patriots Day horror, we know that we never really knew Tamerlan Tsarnaev."