(1) The bullet often breaks into tiny pieces after penetration, ripping up muscle and nerve and causing multiple internal injuries, much like the internationally banned dumdum bullet .(2) Bullets cause injury by transferring their energy into the body tissues; the design of the bullet influences this process, with hollow nosed or dumdum bullets being designed to maximise energy transfer.(3) They used bullets that are called dumdum bullets , and when they hit, whatever they hit, there are fragments everywhere, and they shot at the cameramen.