Subedar Singh Kushwaha was a deputy forest ranger, stationed at a check post close to national highway, tasked with curbing illegal excavation of sand from the Chambal riverbed, was killed at while inspecting vehicles coming from the riverside. Kushwaha was trying to intercept a tractor-trolley laden with illegally mined sand when another one intentionally mowed him down from behind, police had said, adding that both vehicles fled the scene. They said, "We impounded the tractor-trolley laden with sand. Devendra Gurjar has been charged with murder..." Officials said sand mafia is active in the region and illegal mining on the Chambal riverbed was threatening the endangered crocodile population there. Chambal riverbed is under the jurisdiction of the National Chambal Gharial Wildlife Sanctuary.