Various tasers, cartridges and probes from tasers are shown during a Montgomery County police department...
(Clockwise L-R) Two X2 tasers and their respective cartridges, two X26 tasers and their respective cartridges, and the probes that pierce clothing and skin, are seen during a demonstration for Reuters at the department's training academy in Rockville, Maryland, U.S. September 7, 2016. Black tasers are used for SWAT teams; yellow tasers for general police street use. Picture taken September 7, 2016. To match Special Report USA-TASER/SCIENCE REUTERS/Gary Cameron