It is sometimes necessary to protect the lives of civilian by-standers or themselves
Suicidal. After he robs the store, he purposely pulls out his unloaded gun to make the police shoot him to death.
To stop the criminals from escaping and to get rid of bad people.
As opposed to what is portrayed on TV and in the movies - very rarely.
getting shoot gas chambers and cremations of people
According to the police report Benoit strangled his wife, smothered his son to death with a pillow and then hung himself.
absolutely not
A death squad consisting of SS, police and local people
In general, no, but this has happened throughout history.
shoot it or call the police
You could, but the suspect would tell you he/she will shoot people if he/she wants to. And another thing the suspect could shoot you to death.
It is never legal to shoot anyone inless you are part of a government organisation such as the police or army and have orders to shoot
Because the police like killing people it's funny