Dzhokhar Tsarnaev is inside a 10-by-10-foot cell with a steel door and a slot for food . But the information the teenager gave investigators in two sessions of questioning has produced good leads , a U.S. law enforcement official said . The Associated Press contributed to this report. The FBI searches a landfill near the suspect 's college campus . As part of investigation , Russian officials hand over wiretap of call discussing jihad .
Dzhokhar Tsarnaev is inside a 10-by-10-foot cell with a steel door and a slot for food . The Associated Press contributed to this report. The FBI searches a landfill near the suspect 's college campus . As part of investigation , Russian officials hand over wiretap of call discussing jihad .