Parents are concerned about a man who is regularly spotted carrying an assault rifle at a school bus stop. Cell phone video from a parent shows the man with an AR-15 rifle in his hands at a bus stop in Severn. Parents said he's been there for drop-offs for weeks. "They train to hide if this thing enters their school, and it's right there. How can they not be a little nervous about that? How can it not give them anxiety?" said parent Michael Haley.