This case is being prosecuted by Assistant United States Attorneys Tris Hunt and David Zabel of the District of Kansas and Trial Attorney Christopher J. Perras of the Justice Department's Civil Rights Division.
The shooting happened on the night of February 22, when Adam Purinton, 52, allegedly shot Srinivas Kuchibhotla and Alok Madasani, both 32-year-old engineers from India. His friend Madasani was injured in the incident.
Federal prosecutors on Friday announced that Purinton was indicted by a federal grand jury for allegedly targeting two of the victims "because of their actual and perceived race, color, religion and national origin".
The maximum penalty for such an offense is death or life in prison. A third man, Ian Grillot, was shot and wounded when he tried to intervene.
The shootings had sent shockwaves through the United States - which was then struggling with a sudden spike in hate crimes against minorities after Donald Trump was elected president - and India, where studying and working in America had always been a dream for many such as Kuchibhotla and Madasani.
Kuchibhotla died at an area hospital and Madasani and Grillot were treated for their wounds. The FBI then said it was investigating the shooting as a possible hate crime.
He was also indicted on a charge of using a firearm, a 9mm semi-automatic handgun, in a crime of violence. His public defender, Michael McCulloch, did not immediately return a message seeking comment.
Mr. Purinton was charged in February with first-degree murder and two counts of attempted first-degree murder.
After her husband's death, Dumala had returned to her suburban home in Olathe after Kuchibhotla's funeral in India.