system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: What is a citizen's arrest and how/when to perform one?

When should you and how would you go about it? Thanks!
gpt
When should you? Basically never.  When *can* you?  Varies from state to state, but generally only when you actually witness someone committing a felony, or are instructed to do so by a lawfully appointed police officer.  

See, the thing is, cops have a bunch of laws that protect them if they screw up.  If they arrest someone improperly, *at most* it's a slap on the wrist.  If you do it, it's kidnapping.  Just call the cops unless your life or someone else's *depends* on you stopping this person before they get away.