The charter bus was carrying 57 people when it crashed on a highway in Prince George County, south of Richmond, police said.
She was charged with felony drug possession and misdemeanor unlawful possession of drug paraphernalia.
Trinity Love Jones' body was discovered in a black duffel bag on March 5 by maintenance workers in Hacienda Heights, about 20 miles east of downtown Los Angeles.
The effectiveness of the mumps vaccination tends to wane over time so it’s not necessarily a case of unvaccinated people, according to health officials.
The 24-year-old suspect is alleged to have killed Francesco "Franky boy" Cali outside his home. Investigators believe the crime was unrelated to Cali's mob activities.