A 31-year-old legislative aide who was struck by a vehicle in a hit-and-run pedestrian incident last month on the eastern edge of Capitol Hill has died, and police are investigating whether her death was tied to the crash.

D.C. police said they are awaiting autopsy results before linking the Wednesday death of Lisa Radogno, an aide to Sen. Mark Kirk (R-Ill.), to the May 8 accident near her home. Radogno’s mother, Christine Radogno, is a Republican leader in the Illinois state senate.

In a statement issued Thursday, Radogno’s family said she died of a pulmonary embolism, which they say was a result of the crash. Radogno had initially injured her wrist and ankle and was treated and released from Howard University Hospital.

D.C. police said Friday that they are trying to determine whether the death resulted from an incident of vehicular manslaughter. When the accident occurred, the department’s major crash unit, which handles accidents involving death or grave injury, was not called to the scene because the injuries did not appear to be serious.

A witness told police that Radogno was crossing 17th Street to the east, in a crosswalk and with a green signal, when a car headed west on East Capitol Street turned south onto 17th Street and struck the victim. The impact knocked Radogno off her feet, a police report says.

Family members said through a spokeswoman Thursday that Radogno had gone to her parents’ home in Illinois to recuperate after being released from Howard University Hospital.

D.C. police said Radogno collapsed in her apartment Tuesday night and was unconscious when she was taken to an area hospital. She was pronounced dead Wednesday.

Patty Schuh, a spokeswoman for Radogno’s mother, said services will be set after the victim’s body has been released by the medical examiner’s office.

On the the U.S. Senate floor Thursday, Kirk eulogized his scheduler as the bright spot in his Washington office.

Radogno is survived by her mother, her father Nunzio and two sisters. She had lived in the District 10 years.

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