On Telegram, a violent preview of what may unfold on election day and after

Groups backing former President Donald Trump recently sent messages to organize poll watchers to be ready to dispute votes in Democratic areas. Some posted images of armed men standing up for their rights to recruit for their cause. Others spread conspiracy theories that anything less than a Trump victory on Tuesday would be a miscarriage of justice worthy of revolt.

“The day is fast approaching when fence sitting will no longer be possible,” read one post from an Ohio chapter of the Proud Boys, the far-right organization that was instrumental in the Jan. 6 attack on the Capitol. “You will either stand with the resistance or take a knee and willingly accept the yoke of tyranny and oppression.”