Election fraud
Election fraud includes conduct that corrupts the electoral process for (1) registering voters; (2) obtaining, marking, or tabulating ballots; or (3) canvassing and certifying election results. Types of fraudulent conduct may include, among other things, voting by ineligibles, voting more than once, voter impersonation, intentional disruption of polling places either physically or by corrupting tabulating software, or destroying ballots or voter registrations.
Source: ELECTIONS: The Nation’s Evolving Election System as Reflected in the November 2004 General Election, U.S. Government Accountability Office, https://www.gao.gov/assets/160/157713.pdf