Debbie Lee, the mother of slain Navy SEAL sniper Marc Alan Lee, issued a tough challenge to outspoken filmmaker Michael Moore at the 2015 SHOT Show in Las Vegas on Friday. It would be a shock if Moore actually accepts the challenge.

Speaking alongside Taya Kyle, the widow of legendary Navy SEAL sniper Chris Kyle, at a Friday fundraising event for, Lee urged Moore to go through just one day of sniper training.

Her blunt message comes after Moore said he was taught that all snipers are “cowards” just as Kyle’s “American Sniper” story had people across the country flocking to movie theaters. He then continued to bash snipers on Saturday, tweeting:

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“It means so much to know that there are so many people out here who continue to support what we’re doing in the memory of Chris, in the memory of Marc,” she began. “And I don’t know if you guys heard, but I challenged Michael Moore that all of you snipers out there will run him through training. Just one day, we won’t even make him go to combat. See if we can educate him.”

The applause she received for her challenge to Moore seemed to indicate the audience, many of them military veterans, were on board with the idea.