(CNN) — The surviving suspect in the Boston Marathon bombings has been charged, the Justice Department announced Monday.
Dzhokhar Tsarnaev was charged with one count of using and conspiring to use a weapon of mass destruction resulting in death and one count of malicious destruction of property by means of an explosive device resulting in death, according to a statement from the Justice Department.
He could face the death penalty if convicted.
Tsarnaev, 19, made his initial appearance Monday before Magistrate Judge Marianne B. Bowler in his hospital room at Beth Israel Deaconess Hospital in Boston.
The decision to charge Tsarnaev in civilian court put an end to speculation that he would be charged as an enemy combatant, a designation sometimes used against terrorists.
White House spokesman Jay Carney said the decision not to treat Tsarnaev as an enemy combatant is “absolutely the right way to go and the appropriate way to go.”
Carney said that because Tsarnaev is a naturalized U.S. citizen, he cannot be tried by a military commission.
Photo released by FBI
“And it is important to remember that since 9/11 we have used the federal court system to convict and incarcerate hundreds of terrorists,” Carney said.
Despite being seriously wounded and heavily sedated, Tsarnaev is answering brief questions from his hospital bed by nodding his head, a source with first-hand knowledge of the investigation told CNN Monday.
Authorities are asking the 19-year-old if there are more bombs, explosives caches or weapons, and if anyone else was involved, the source said.
Investigators are going into Tsarnaev’s room every few hours to ask questions in the presence of doctors, the source said.
It wasn’t immediately clear what he may be communicating.
Tsarnaev, who is on a ventilator and restrained, has been hospitalized since authorities took him into custody Friday night after finding him hiding in a boat in the back yard of a Watertown, Massachusetts, home.
His injuries include a wound to the lower half of his body and a neck wound, the source said. It wasn’t clear when he received the neck wound.
Tsarnaev had also lost a lot of blood and may have hearing loss from two flash-bang devices used to draw him out of the boat, the source said.
Investigators believe Dzhokhar Tsarnaev and his brother, Tamerlan Tsarnaev, were behind the attacks that killed three people and wounded more than 170 others a week ago Monday.
Tamerlan Tsarnaev, 26, died early Friday at a hospital after a shootout with police.
The developments came the same day as memorial services for two people killed in the bombings and a planned moment of silence to honor victims.
Elder suspect’s wife
With one suspect dead and the other hindered in his ability to communicate, investigators are eager to speak to Tamerlan Tsarnaev’s wife, Katherine Russell, to see what she might know about incidents leading up to the bombings.
On Monday, her attorney said she learned of her husband’s alleged involvement through news accounts.
“She knew nothing about it at any time,” Amato DeLuca said in response to questions about whether Russell knew of plans to attack the marathon.
Tsarnaev stayed home and cared for the couple’s 2-year-old daughter while his wife worked long hours as a home care aide, according to DeLuca.
The family is devastated, the attorney said.
“They’re very distraught. They’re upset. Their lives have been unalterably changed. They’re upset because of what happened, the people that were injured, that were killed. It’s an awful, terrible thing,” he said. “And of course Katy, it’s even worse because what she lost — her husband and the father of her daughter.”
Police chief: The carnage could have been worse
In the tumultuous days after the bombings, the Tsarnaev brothers allegedly killed a university police officer, led authorities on a harrowing chase and hurled explosives at police, authorities said. Another officer, seriously wounded in a firefight with the suspects, was recovering Monday, Boston Police Commissioner Ed Davis said.
The brothers – armed with handguns and explosives — apparently were planning another attack before a shootout with police disrupted their efforts, Davis said.
“I believe that the only reason that someone would have those in their possession was to further attack people and cause more death and destruction,” Davis said on CNN’s “Starting Point” Monday.
Authorities believe the brothers bought bomb components locally but think that their guns came from elsewhere, another federal law enforcement official said. The official, who was not authorized to publicly discuss the case, said authorities are trying to trace the guns.
Investigators are also trying to determine whether anyone else was involved in the bombings.
But Davis, speaking Sunday to CNN’s Don Lemon, said that he was confident that the brothers were “the two major actors in the violence that occurred.”
“I told the people of Boston that they can rest easily, that the two people who were committing these vicious attacks are either dead or arrested, and I still believe that,” the police chief said.
Details on shootout
The wild shootout that prompted the dramatic lockdown of the Boston area Friday began after a single officer gave chase after encountering the stolen car the brothers allegedly were driving, Watertown police Chief Edward Deveau told CNN’s Wolf Blizter on Saturday.
According to Deveau, the brothers stepped out of the car and shot at the officer, who put his car in reverse to get away from the gunfire.
More officers arrived, sparking a firefight that lasted five to 10 minutes. More than 200 shots were fired, and one of the brothers threw explosives at police — including a pressure cooker bomb similar to the one used at the marathon, Deveau said.
Eventually, Tamerlan Tsarnaev emerged from cover and began walking toward officers, firing as he went, the chief said.
When he ran out of ammunition, officers tackled him and tried to handcuff him, Deveau said Saturday.
But then, Dzhokhar Tsarnaev came barreling at them in the stolen vehicle, the chief said. The officers scrambled out of the way, and the vehicle then ran over the older brother and dragged him for a short distance.
Tamerlan Tsarnaev also had explosives on his body, officials have said.
Clues about radicalization?
While investigators piece together the brothers’ actions leading up to the marathon bombings, details have emerged suggesting the elder Tsarnaev was turning radical.
The Tsarnaev family hails from the Russian republic of Chechnya and fled the brutal wars there in the 1990s. The two brothers were born in Kyrgyzstan, authorities said.
An FBI official said agents interviewed Tamerlan Tsarnaev in 2011 at the request of the Russian government. The FBI said Russia claimed that he was a follower of radical Islam and that he had changed drastically since 2010.
But the Russian government’s request was vague, a U.S. official and a law enforcement source said Sunday. The lack of specifics limited how much the FBI was able to investigate Tamerlan, the law enforcement official said.
Dead Boston bomb suspect posted video of jihadist, analysis shows
Tamerlan Tsarnaev apparently became increasingly radical in the past three or four years, according to an analysis of his social media accounts and the recollections of family members. But so far, there has been no evidence of active association with international jihadist groups.
In August 2012, soon after returning from a visit to Russia, the elder Tsarnaev brother created a YouTube channel with links to a number of videos. Two videos under a category labeled “Terrorists” were deleted. It’s not clear when or by whom.
In January, Tamerlan Tsarnaev disrupted a service at the Islamic Society of Boston’s mosque in Cambridge, Massachusets, a board member told CNN’s Brian Todd.
Tsarnaev was reacting to a speaker who likened the Muslim Prophet Mohammed to Martin Luther King Jr., the board member said. He calmed after worshippers spoke with him, and returned often for pre-dawn prayers on Fridays, the board member said.
Dzhokhar Tsarnaev also sometimes attended prayers — but only with his brother, the board member said.
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Memorials and tributes
Boston officials planned a moment of silence for 2:50 p.m. Monday to mark the passing of one week since the bombings. A minute later, bells will toll to honor the victims.
One of those victims, Krystle Campbell was memorialized Monday morning in a service at St. Joseph Catholic Church in Medford, Massachusetts.
After the service, police officers lined the street in front of the church as other officers wearing dress uniforms saluted as the casket bearing her remains was taken from the church and loaded into a hearse.
Another memorial service was scheduled Monday night for victim Lingzi Lu, a student from China.
Also on Monday, runners in at least 80 cities will participate in the “Run for Boston in Your City” campaign, organizer Brian Kelley said. The global campaign is “a run for those that were unable to finish, a run for those that may never run again” and “a run for us to try and make sense of the tragedy that has forever changed something we love,” according to organizers.
A week after the marathon bombings, 50 people remain hospitalized, including two in critical condition, according to a CNN tally.
At least a dozen survivors have endured amputations.
Patients at Massachusetts General Hospital have received visits from war veterans who have also suffered amputations. The vets, Dr. Jeffrey Kalish said, told patients that their lives aren’t over because they’ve lost limbs.
“We’ve seen really tremendous success and great attitudes,” he said.
Also Monday, Davis — the Boston police commissioner — said transit system police officer Richard Donohue, wounded in the firefight with the Tsarnaev brothers, was improving.
“He was in grave condition when he went to the hospital, so we’re very optimistic at this point in time, and our prayers are with him and his family,” he said.
Dzhokhar Tsarnaev, meanwhile, remains in serious but stable condition, according to the U.S. Attorney’s Office District of Massachusetts. A federal law enforcement source with knowledge of the investigation told CNN the younger brother has a gunshot wound to his neck, and he had a tube down his throat to help him breathe.
It’s unclear whether Tsarnaev was wounded during his capture or in the earlier shootout with police that left his older brother dead, said the source, who spoke on condition of anonymity.
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Getting back to normal
It could take up to two more days before the area around the site of the explosions can reopen to the public, Davis said.
The FBI has not yet turned the scene back over to local authorities, the police chief said.
“We have to allow store owners to go in there first. It won’t be open to the general public for maybe another day so the store owners can get their business back on track,” Davis said. “We want to get people back in their homes as soon as possible, and we’re working diligently on that right now.”
–Micheal Pearson and Holly Yan, CNN. CNN’s Gloria Borger, Fran Townsend, Tim Lister, Paul Cruickshank, Deborah Feyerick, Jill Dougherty, Pamela Brown, Julian Cummings, Barbara Starr, Susan Candiotti and Jake Tapper contributed to this report.