(CNN) — Boston bombing suspect Dzhokhar Tsarnaev, who has been hospitalized since his capture Friday, has been communicating with officials, two sources tell CNN. Once senior law enforcement source says: “They have been questioning him since yesterday. There is some form of communication between law enforcement and the suspect.” A senior federal official briefed on the investigation said the communication has been in writing. Neither source would discuss what Tsarnaev has been communicating.
From CNN’s Gloria Borger and CNN’s national security contributor Fran Townsend