The man accused of killing a woman and wounding five others on a Greyhound bus pleads not guilty in court on Thursday.

According to the California Highway Patrol, Anthony Williams allegedly opened fire while the bus was passing through the Grapevine near Lebec, striking six people. A 51-year-old woman from Colombia was killed.

The bus was headed north on Interstate 5 from Los Angeles to San Francisco.

CHP said it's unclear how long Williams has been in California, but confirmed that he has residency in Maryland. According to Maryland's District Court for Prince George's County, Williams had a domestic violence case filed against him in 2003.

Williams is scheduled for a pre-preliminary hearing on April 28th, followed by a preliminary hearing on April 29th.