The fastest way is to hold elections as transparently as possible, no plywood or cardboard to block observers' view, no keeping out observers, no stopping vote counts in the middle on the night, only to post a mathematically implausible surge for just one candidate upon restart, no mysterious boxes turning up at the last moment filled with ballots for just one candidate. You know, things that give the appearance of cheating and manipulation. But nah, let's focus everything on the handful of nut cases that like to make anonymous threats.