Authorities say radical Islamic materials and an al Qaeda magazine were on 24-year-old Katherine Russell’s hard drive.
Explosive residue was also found on the kitchen sink and table, as well as in the bathroom of their home.
Dzhokhar Tsarnaev told authorities that he and Tamerlan built bombs in the basement of their home.
Authorities are trying to figure out if the files belonged to Russell or Tamerlan Tsnarnaev.
Russell claims to be in the dark about her husband’s terrorist activities.