During a Photo Shoot on MLK Day on Mare Island, California, I placed my camera bag down, to help the Mother and Child who I was shooting. She was having issue with the babyseat in my van and I went around to help her. I sat down the camera bag, with a Nikon d300, on it a 24-120 Nikon Lens attached to the body. In the bag, there was a 85 f/1.8, a 50 f/1.8, 3 pocketwizards, 8 memory cards, from 2-4gb, plus various cords, 2 battery chargers. Once mother and child were secured, I drove off, leaving the camera bag and camera there on some concrete planters. My ignorance, as I forget in just that split second thinking of others. I drove the mother