Texarkana, Texas Police continue their investigation into a crash that killed an off-duty Wake Village Police officer. It happened Monday morning in the 5600 block of Richmond Road. 30-year-old Timothy Robertson was killed and another man is recovering in a local hospital. A graveside service with honors will be held for Robertson on Wednesday at Chapelwood Memorial Gardens on Kings Highway in Texarkana. It begins at 2:30 pm. Visitation is tonight at Chapelwood Funeral Home from 6 to 7:30 pm.