There has been much discussion about whether votes in this next election will be counted securely.
Every state has rules about what poll observers can do at the polls and how votes can be challenged. Here are the rules for your state:
New Hampshire The state committee of a political party may appoint a person to act as challenger of voters at any polling place in the state at a state election. (N.H. Rev. Stat. Ann. § 666.4).
The attorney general may appoint a person to act as challenger of voters at any polling place in the state at a state election. (N.H. Rev. Stat. Ann. § 666.5).
A voter offering to vote at any state election may be challenged by any other voter registered in the town or ward in which the election is held, an election official, a challenger appointed by a political committee pursuant to RSA 666:4, or a challenger appointed by the attorney general pursuant to RSA 666:5. (N.H. Rev. Stat. Ann. § 659. 27).