Stun gun or handgun: How often do police get confused?

In Oklahoma, Robert Bates, a volunteer sheriff
In Oklahoma, Robert Bates, a volunteer sheriff's deputy, killed Eric Harris when he accidentally fired his handgun instead of a stun gun. How often does this happen and what can be done to prevent it?

Self-defense Tasers and stun guns surge in popularity

Stun guns will soon be legal in New Jersey. Are they dangerous?

It's not just guns. Police often use Tasers all wrong, too. - Vox

Man shocked with stun gun by Penticton RCMP after pellet gun mistaken for real handgun

When do tasers and stun guns amount to excessive force and police brutality?

Minneapolis police shooting: Accidental discharge of a gun instead of taser?

Top Three Self-Protection Devices – Police Grade - The Home Security Superstore

Police turn to Tasers Local departments find benefit in less-than-lethal weapon

GOAEO Self-Defense Heavy Duty Stun Gun for Men & Women,15 Foot Range,1.80 µC Painful Charge,LED Flashlight,Safety Switch : Sports & Outdoors

Stun Gun Vs Taser : What's The Difference? - ElectronicsHub

Everything You Wanted to Know About Stun Guns and Tasers