The heated exchange followed a segment
featuring retired Navy Capt. Mark Kelly, whose wife former Arizona Rep. Gabrielle Giffords was shot in the head by an emotionally disturbed gunman in 2011.
At first, LaPierre focused much of his comments on getting the government to enforce laws on the books and going into cities like Chicago in a mass effort to get gang members off the streets, Politico writes
"Every gang member on the street of Chicago, starting tomorrow morning, let's pick them up. We've got a federal law to get them off the street and put them in prison and that would cut crime and we're not doing it," LaPierre said.
heated up when Wallace asked him if he regretted running the controversial ad that attacked President Obama for his daughters having armed security guards.
During the ad, a narrator asks, "Are the president's kids more important than yours? Why is he skeptical about putting armed security in our schools when his kids are protected by armed guards at their school?"
"Mr. LaPierre, do you regret putting up that ad?" Wallace asked.
"It wasn't picking on the president's kids... The president's kids are safe, and we're all thankful for it," LaPierre said.
At one point, the Fox News Sunday
host informed LaPierre the president's daughters face different threats than other children.
"Tell that to the people in Newtown," LaPierre responded. "Unfortunately, I think there are parents all over the school that think, all over the country that think, their kids are entitled to the same amount of protection when they go to school."
"Do you really think the president's children are the same kind of target as every school child in America? That's ridiculous and you know it, sir," Wallace shot back.
Watch the full segment in the video above.