The US Justice Department said the case is being prosecuted by the Assistant US Attorneys William Weinreb and Aloke Chakravarty from the Anti-Terrorism and National Security Unit of the US Attorney's Office for District of Massachusetts.
Chakravarty is a graduate of the Johns Hopkins University and Emory Law School.
Over the past 15 years, Mr Chakravarty has been a prosecutor in different contexts - as an Assistant District Attorney in Middlesex County, in the Criminal Division of the Massachusetts Attorney General's Office, for the US Department of Justice, and for the UN at the International Criminal Tribunal for the former Yugoslavia.
He has also served in Washington DC as Assistant General Counsel at the Federal Bureau of Investigation, and as Attorney-Adviser at the Justice Department's Office of Intelligence Policy.
Although he currently focuses on cases involving national security and human rights, Mr Chakravarty has prosecuted and otherwise investigated matters across the criminal spectrum, including juvenile justice, violent crime, drug and gun offences, white collar crime, public corruption and organised crime.
He has also participated in preventative, diversionary and rehabilitative efforts and regularly leads outreach activities.
He has received the Massachusetts Bar Association's Access to Justice Award and the Attorney General's Award for Distinguished Service.
The accused, a 19-year-old had escaped a shootout with police that killed the second suspect his older brother Tamerlan, 26, dead early Friday morning, also faces a charge of malicious destruction of property resulting in death.
OneIndia News (With inputs from PTI)