Fairfax County August 11, 2022 7:07 pm Fairfax County Woman Killed, Set on Fire A suspect was arrested in the murder of Silvia Vaca, who died after she was found stabbed and set on fire, police say. News4’s Derrick Ward reports. Local 2:04 ACLU sues DC high school on behalf of students over pro-Palestinian programming 2:27 Driver convicted for high-speed crash that killed 2 Oakton High students 26:00 Biden signs national security bill that could impact TikTok: The News4 Rundown 2:47 Maryland studying ways to improve Bay Bridge safety 2:35 Former exec sues United Way in sexual harassment claim