By CBSLA Staff

LOS ANGELES (CBSLA) — An unmarked Department Of Homeland Security vehicle struck and killed a woman who was walking across the lanes of the southbound 5 Freeway in Silver Lake early Wednesday.

The crash happened at about 2 a.m. on the southbound 5 Freeway, north of Hyperion Avenue. According to the CHP, a woman walking across the southbound lanes of the freeway was struck in the left lane by a 2019 Dodge Durango driven by 32-year-old Nicholas A. Desimone, who was identified by CHP Officer Patrick Kimball as a Homeland Security officer.

READ MORE: Shortage Of Drivers Leaves Garbage Piling Up In Costa Mesa Streets

Desimone remained at the scene of the crash and waited for emergency personnel, the CHP said. The 40-year-old woman, identified only as Jane Doe, sustained fatal injuries.

READ MORE: New Water Restrictions In Place For Thousands In Diamond Bar, Pomona, Walnut

Alcohol and drugs were ruled out as a factor for the driver, but usage by the pedestrian is under investigation, according to the CHP.

MORE NEWS: 'Time Machine,' 'Toys In The Attic' Actress Yvette Mimieux Dies At 80

Four southbound lanes were shut down until about 4:30 a.m. for the fatal crash investigation.