Ballot trafficking is an activity in which absentee ballots and votes are solicited, sometimes in exchange for money or other valuables. They are then collected through a process called “harvesting” and delivered to drop boxes by intermediaries (someone other than the voter), who are often paid a per-ballot fee by partisan actors. 10 trillion unique cell phone 'pings' were used to reconstruct the movements of ballot box intermediaries in 2020 election