mark. after a long day at a an army combat training base in south carolina, staff sergeant david schimmel travels the interstate helping motor riffs. he started his nonprofit one-man operation a year ago and has helped more than 300 people. anybody that s stuck on the side of the road, stranded for a period of time, i just pull over and ask them what they need. i wouldn t leave a fallen comrade. that s part of the soldier s creed and that same thing applies to people on the road. he never asked for money, but occasionally people will try to give him some. he never keeps it, though. he donates it to a charity that helps wounded warriors. firefighters still battling a gas-fueled fire that s devastated san bruno, california. at least three dead and that number expected to climb. at least 53 homes destroyed.