Musician and National Rifle Association (NRA) board member Ted Nugent has called the students who survived the Parkland shooting "poor, mushy brained children" for advocating for tighter gun control.
The 'Jailbait' singer says he has proof the teenagers are "soulless".
"I'm afraid to say this and it hurts me to say this, but the evidence is irrefutable, they have no soul," he told a local radio show.
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"These children can't be critical of any of the propaganda that they're fed, and that's just sad."
His comments came after last weekend's March For Our Lives rally, led by survivors of the Parkland school shooting that killed 17 in February.
The protests hoped to break a legislative gridlock that has long stymied efforts to increase restrictions on firearms sales in a nation where mass shootings at schools and colleges have become a frighteningly frequent occurrence.
More than a dozen companies have cut ties with the NRA since the Parkland shooting, taking a stand against the millions of dollars the NRA spends on advertising and lobbying against gun control.
Nugent called Emma Gonzalez, one of the teenagers leading the March For Our Lives movement, a "poor, pathetic individual" and a "liar".
"The National Rifle Association are a bunch of American families who have a voice to stand up for our God-given Constitutionally-guaranteed right to keep and bear arms. We have no blood on our hands."
Nugent has a history of making racist and misogynistic statements, including advocating for the hanging of Hillary Clinton and calling then-US President Obama a "subhuman mongrel" and a "piece of shit" who should "suck on my machine gun".