Family photo: Lawrence Albert "Jahon" Craig Gadlin with his partner, Latina Cash, and son, Jahon Jr.Lawrence Albert "Jahon" Craig Gadlin, a 23-year-old father in Richmond, Calif., was outside repairing a car with friends on May 13, 2010, when a red minivan drove past and fired dozens of bullets, killing him and two others. I sat in a pew at Gadlin's memorial service with his classmates from the East Bay Green Job Corps, 15 young women and men I'd been following for a few months. Mourners sang and reached for God as a young man helped Gadlin's mother take slow, heavy …