United States May 10, 2018 7:13 pm Mother With Autistic Son Wins Home Security System A local mother who has a son with autism feared he may wander off or run away. News4’s Aimee Cho reports how a smart security tool inside her home will help her sleep easier. Local 1:54 Science 4 Everyone: What is an elliptical orbit? 2:41 Stores run out of snow supplies as Maryland residents prepare for snowstorm 2:31 DC Volunteer Snow Program links neighbors to help with shoveling 2:10 Storm preps, early voting under way in Loudoun County 21:59 Snow squalls leave region, DMV preps for next storm: The News4 Rundown