Richmond man sentenced 18 years in prison for aggravated assault with deadly weapon

RICHMOND, TX (KIAH) — Juan Gerardo Sierra-Diaz, 46, of Richmond has been handed an 18-year prison sentence after a jury convicted him of aggravated assault with a deadly weapon. Fort Bend County Assistant District Attorney Justin Foster said Sierra-Diaz pulled out a gun on Meliton Muro-Vazquez and a passenger…