...officers surrounded the suspect in a neighboring back yard and the man threatened to shoot himself. After convincing the man to holster his weapon, officers deployed a taser, which was ineffective. Chief Steve Robinette could not address the reason why the weapon did not work. "We hope to determine why it was ineffective through the course of the investigation," he said. After officers deployed the taser, the man unholstered his gun. According to reports, officers fired at the man in order to protect themselves. He was apparently hit in the torso and the hand. ...[LINK]
Unreliable and dangerous (to all present) weapon.
Taser International claims it is "generally safe and effective", and utterly refuse to acknowledge the risks.