Mexico's drug cartels and gangs appear to be playing a wider role in Sunday's elections than before

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Sunday’s elections that will determine the presidency, nine governorships and about 19,000 mayorships and other local posts. The country’s powerful drug cartels have long staged targeted assassinations of mayoral and other local candidates who threaten their control. Gangs in Mexico depend on controlling local police chiefs, and taking a share of municipal budgets; national politics appear to interest them less.

But in the runup to Sunday’s vote, gangs have increasingly taken to spraying whole campaign rallies with gunfire, burning ballots or preventing the setting up of polling stations, and even putting up banners seeking to influence voters. Security analyst David Saucedo says it's likely some drug gangs will try to force voters to cast ballots for their favored candidates. “It it is reasonable to assume that the cartels will mobilize their support bases during Sunday's elections," Saucedo said.

“They have loyal voters who they have won over through the distribution of food packages, cash, medicine and infrastructure projects. They will use them to support narco-candidates." In some places, it appears the gangs are encouraging people to vote while discouraging voting in areas controlled by their rivals. On Friday, electoral authorities reported that assailants burned a house where ballots were being stored ahead of Sunday in the violence-wracked town of Chicomuselo, in the southern state of Chiapas.

While they did not say who was behind the attack, the town is completely dominated by two warring drug cartels, Jalisco and Sinaloa. On May 14, gunmen apparently linked to a cartel shot and killed 11 people in a single day in Chicomuselo. On May 17, five people were killed along with a mayoral candidate when gunmen opened