A third teenager has been arrested and charged in the shooting death of a University of Massachusetts student who was working as a congressional intern in Washington, D.C. last summer.

Eric Tarpinian-Jachym, 21, of Granby, Massachusetts, was an innocent bystander when he was shot four times near the convention center in Washington on June 30. Investigators say three armed suspects exited a stolen vehicle and began firing shots at two young men.

Tarpinian-Jachym was rushed to the hospital where he died the next day. Five other people were assaulted or injured in the incident, prosecutors said.

On Wednesday night, 18-year-old Naqwan Antonio Lucas of the District of Columbia, was arrested in Montgomery Village, Maryland and charged in Tarpinian-Jachym's murder.

Last month , 17-year-

See Full Page