Dzhokhar Tsarnaev

Survivor Rebekah Gregory arrives before the formal sentencing of convicted Boston Marathon bomber Dzhokhar Tsarnaev at the federal courthouse in Boston, Massachusetts June 24, 2015.

Boston Marathon bomber apologizes at sentencing hearing

Victims told Dzhokhar Tsarnaev what they thought of him at today's sentencing hearing. He finally spoke too, offering words of remorse and apology.

Boston Marathon bomber apologizes at sentencing hearing
Dzhokhar Tsarnaev penalty phase verdict

What the Tsarnaev death penalty form looks like

What the Tsarnaev death penalty form looks like
The Boston Marathon bombing trial jury on Thursday saw the remains of a pressure-cooker bomb that prosecutors say Dzhokhar Tsarnaev hurled at police during a gunfight four days after the bombing as well as jihadist files recovered from his laptop.

US prosecutors portray Boston Marathon bombing suspect as a radical extremist

US prosecutors portray Boston Marathon bombing suspect as a radical extremist
A blood-stained message prosecutors say Boston Marathon bomber Dzhokhar Tsarnaev wrote on the inside of a boat. The undated photo was presented as evidence to jurors at Tsarnaev's trial in Boston.

The man who escaped the Tsarnaev brothers takes the stand in Boston

The man who escaped the Tsarnaev brothers takes the stand in Boston
Boston Marathon bombing survivor Marc Fucarile leaves the federal courthouse in Boston on the first day of the trial of accused Boston Marathon bomber Dzhokhar Tsarnaev on March 4, 2015.

Everyone says Dzhokhar Tsarnaev bombed the Boston Marathon — even his own lawyers

Everyone says Dzhokhar Tsarnaev bombed the Boston Marathon — even his own lawyers
Accused Boston Marathon bomber Dzhokhar Tsarnaev is shown in a courtroom sketch on the first day of jury selection at the federal courthouse in Boston, Massachusetts, on January 5, 2015.

Massachusetts isn't OK with the death penalty, but Dzhokhar Tsarnaev's jurors had to be

The state of Massachusetts doesn't allow the death penalty, and most of the state's residents are against it. But for the trial of accused Boston Marathon bomber Dzhokhar Tsarnaev, the jurors who decided his fate in a federal trial had to allow for that possibility.

Massachusetts isn't OK with the death penalty, but Dzhokhar Tsarnaev's jurors had to be

Was alleged Boston bomber Tamerlan Tsarnaev mentally ill?

A new investigation by the Boston Globe digs into Dzhokhar and Tamerlan Tsarnaev, the alleged Boston Marathon bomber, and their deeply dysfunctional family.

Was alleged Boston bomber Tamerlan Tsarnaev mentally ill?

Azamat Tazhayakov's Father Speaks Out on Charges in Boston Marathon Bombing Case

Two students from Kazakhstan remain in prison on charges of obstruction of justice in the Boston marathon case. They're accused of conspiring to destroy, conceal or cover up objects belonging to their college classmate, suspected bomber Dzhokhar Tsarnaev.

Azamat Tazhayakov's Father Speaks Out on Charges in Boston Marathon Bombing Case

Alleged Boston Bombers' July 4th Plot

Alleged Boston Bombers' July 4th Plot

Boston Bombing: Suspects 'Planned July 4 Attack'

The Boston bombs suspects first planned to attack Independence Day celebrations, but finished the devices more quickly than expected, US media report.

Boston Bombing: Suspects 'Planned July 4 Attack'

Kazakhs Respond to Boston Bombing Arrests

Friends of Dzhokhar Tsarnaev were charged this week with attempting to destroy evidence. Reaction in Kazakhstan has been mixed, according to Rose Kudabaeva, with the BBC's Russian Service.

Kazakhs Respond to Boston Bombing Arrests

Friends of Boston Bombing Suspect Charged

Friends of Boston Bombing Suspect Charged

Meeting Misha, the Alleged Mentor to the Boston Bomber

The Tsarnaev family has blamed the radicalization of their son, Tamerlan, on a Muslim convert called "Misha." Journalist Christian Caryl tracked down a man he believes is Misha to his home in Rhode Island Sunday, and found him an unlikely Svengali.

Meeting Misha, the Alleged Mentor to the Boston Bomber

Expansive definition for 'weapon of mass destruction' gives prosecutors the power

A potato gun is a WMD. At least, the strict, plain-English definition of a weapon of mass destruction would include the old-fashioned potato gun. Through changes over the years, the definition of a WMD has been broadened -- and now prosecutors have all the power when it comes to charging people.

Expansive definition for 'weapon of mass destruction' gives prosecutors the power

Professor of Chechen History Ponders Brief Contact with Boston Bombing Suspect

Brian Glyn Williams teaches Chechen history at the University of Massachusetts at Dartmouth. That's the same college attended by Dzhokhar Tsarnaev. Williams had brief contact with him, when Tsarnaev was a high school student.

Professor of Chechen History Ponders Brief Contact with Boston Bombing Suspect