What sort of threats were made? If you were threatened with physical harm, that would be better addressed by the police.
What sort of deceptive information was provided?
What are your damages?
Suing a Welfare Office
worker is probably a better choice than suing a government office.
More facts would be helpful.
Here is a link to filing a claim against a state agency:
https://www.leg.state.nv.us/NRS/NRS-041.html#NRS041Sec031