chris clackam, nbc news. >> thanks, chris. this sounds simple, but never leave a child alone in a car, even for a few minutes. teach your kids, cars are not places to play. if you use a day care, ask the caregiver to always give you a call, if the child does not show up. in a lot of cases, parents think they have dropped off kids and they haven't. >>> a blood test could predict if your loved ones are at risk of committing suicide. we'll somehow you how it works. >>> they were married 51 years. today, news 4 sat down with a husband of a woman hit by a bus and killed in prince george's county. it is a powerful interview. what he wants to say to the driver of that bus. >>> welcome back. i'm chris lawrence if nor jim tonight. >> i'm pat lawson muse. a mess of roads in houston, texas. take a look at this. this was the scene in the downtown area hit by some of the worst flooding. several cars were strandsed including one that got stuck in high water that pooled beneath an overpass. the water receded a bit now, but travel in and arou