To the driver of a water tanker today, eastbound on Riverside at Walker, around 3:30 pm. It says "stay 500 feet back on the rear" which I saw as you sped away. You almost killed two cyclists today. As you turned right onto Walker, we had to slam on our brakes to avoid going under your truck. We yelled and you just kept going. I'm guessing you didn't even see us because we could clearly see you in your side mirror and you were looking down at something.
Take a refresher course. You only proceed with a turn if the way is clear. We are all lucky we were paying more attention than you were, or you'd be facing the police right now, and I'd be at the morgue.