This topic might have a better name.
Should be moved to Torchwood stun gun to avoid confusion with other stun guns.
Talk about it here.
Torchwood stun guns worked by "shocking" targets in physical contact with the muzzle in a manner similar to a taser. They had two settings; one for killing and one for stunning.
The team used stun guns to capture Max Tresilian, who was rampaging in a bar. (TV: They Keep Killing Suzie)
Gwen Cooper used a stun gun against her boyfriend Rhys so she could take him to the Hub without having to convince him to go. (TV: End of Days)
The team used the stun guns when investigating the factory exploiting the Cash Cow. (TV: Meat)
Ianto used one on Billy Davies, a hit man working for the Pharm. (TV: Reset)
Gwen Cooper used one to stun Jack in order to drive him away and trade him for her family. (TV: Immortal Sins)
On one occasion, Jack Harkness accidentally killed a Histrix when he thought the gun was set to stun. (AUDIO: Asylum)
Yvonne Hartman uses a stun gun to kidnap Xander Vaughn at a protest. Jack confiscates it from her. (AUDIO: Poker Face)