Technology Military Hackers Turn a Flare Gun Into a DIY Camera-Drone Launcher. By Rebecca Boyle. Published Aug 8, 2011 8:50 PM EDT. Get the Popular Science daily newsletter ...

He said the flare gun is capable of firing a projectile 500 feet per second, about the same speed as a .22-caliber round being fired from a rifle.

DECATUR — Joseph A. Brown, who cycled around Decatur armed with a flare gun modified to fire shotgun shells and attacked a cop when he was caught, has been sent to prison for 14 years.