Republican presidential front-runner Donald Trump Donald John TrumpHR McMaster says president's policy to withdraw troops from Afghanistan is 'unwise' Cast of 'Parks and Rec' reunite for virtual town hall to address Wisconsin voters Biden says Trump should step down over coronavirus response MORE thinks there's not much he could possibly do to erode his support.

Lauding his fans' loyalty at a campaign event in Sioux Center, Iowa, on Saturday, Trump said he could kill people and still be popular.

ADVERTISEMENT

“I have the most loyal people, did you ever see that? I could stand in the middle of Fifth Avenue and shoot people and I wouldn’t lose voters,” he said.

Trump made the comments as he laid into National Review, the conservative magazine that published a series of essays criticizing him. Those who submitted essays against Trump include Glenn Beck and Brent Bozell, two conservative figures who endorsed GOP presidential rival Ted Cruz Rafael (Ted) Edward CruzLoeffler calls for hearing in wake of Netflix's 'Cuties' Health care in the crosshairs with new Trump Supreme Court list 'Parks and Rec' cast members hosting special reunion to raise money for Wisconsin Democrats MORE.

At the speech, Trump floated the prospect of suing Cruz over whether he’s eligible to run for president and also warned that Christianity was under “siege.”