Sheldon Cooper, a close friend of Walter Anderson’s son Ryan, keeps the candles lit at a vigil for Anderson near the intersection where he was killed, South Rogers Street and West Russell Road, on Friday, June 11, 2021, in Las Vegas. Anderson was struck and killed while riding his moped by a Texas man who was driving a Lamborghini at 141 mph in a 45 mph zone. (Ellen Schmidt/Las Vegas Review-Journal) @ellenschmidttt