 Crews back at the scene today on Lake Norman searching for a swimmer who went missing yesterday. They're scouring an area known as the sandbar, a part of the lake that's popular with boaters and swimmers. Police are asking all boaters to avoid the area. If you see a police boat, especially as you're coming up on it, just automatically go ahead and slow down. We give people directions on which way to go. So if you need to get to a certain place, we're going to let you go there. But it just needs to be at a slower speed. We're trying to keep