That shooting happened just down the street from Tuesday's incident. A second act of violence so soon after and so near the site of Marcum's death came as a shock to some -- one amplified by the fact that many in Galt know their local cops by name, residents said.
"It's just a small town," said 20-year-old Luis Vizcara. "Everyone knows everyone."
Steve Langley lives just across the street from the grassy lot where Tonn was shot. He came home in time to see Tonn's fellow officers carrying him frantically to a waiting stretcher. Upon hearing Tonn had died, Langley shook his head.