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:
Delaware Each of the political parties, acting through their respective county committees, may appoint and accredit some suitable person as a challenger. One challenger from any political party which is represented by a candidate in that district may be present inside the polling place and shall be permitted to observe the conduct of the election and all the election records. (Del. Code Ann. tit. 15, § 4934).
Each of the political parties, acting through their respective county committees, may appoint and accredit some suitable person as a challenger. (Del. Code Ann. tit. 15, § 4934; also see 4934-4941).
The following persons shall be admitted to the voting room: members and employees of the Department identified by a badge or written authorization; the State Election Commissioner and the Commissioner's employees identified by a badge or written authorization; persons voting and waiting to vote, or a child lawfully accompanying such a person; one challenger from a political party with a candidate on the ballot; persons with business in the building that is not connected to the election; a person or persons deemed necessary to the conduct of the election by majority vote of the inspector and judges. (Del. Code Ann. tit. 15, § 4933 for information on other individuals allowed in the polling place).