People taking bribes to vote a specific way are already likely trying to cheat the election for bribes. You're talking about people that are on meth that will d

People taking bribes to vote a specific way are already likely trying to cheat the election for bribes. You're talking about people that are on meth that will do just about anything for money. If all else they could have a sting where the police says they'll give them triple the money if they narc and then arrest them for selling their votes and others for paying for vote manipulation.