The hatred for Hillary Clinton among Donald Trump’s supporters has led to increasingly graphic depictions of violence against her at his rallies. When the Republican presidential candidate railed against his rival on Saturday at Regent University in Virginia Beach, for instance, reporters spotted a depiction of Clinton’s head on a stake in the crowd.

Posters on sale at the event showed Clinton’s face at the center of a target practice bullseye, with the words: “Killary Rotten Clinton — Chipping away your gun rights since 1993.”

Concerns that Trump’s rhetoric might inspire an actual attack on Clinton spiked in August, when he lied to supporters in Wilmington, North Carolina, falsely claiming that, “Hillary wants to abolish, essentially abolish, the Second Amendment.”

“If she gets to pick her judges: nothing you can do, folks,” Trump said, to boos. “Although the Second Amendment people — maybe there is, I don’t know,” he added, in an aside that was widely taken as a reference to Clinton’s possible assassination by gun-rights fundamentalists.

After the rally at the Christian university in Virginia Beach on Saturday, Trump supporters wearing masks depicting the two candidates acted out the scene of the Republican choking the Democrat, who was in prison garb.