NATIONAL NEWS (CNN) — Within minutes of the National Rifle Association's opening forum at their annual meeting this weekend, the group's leaders went after gun control proposals and advocates who sought to expand tougher firearm laws following the deadly Newtown elementary school massacre.
"Where we see tragedy, Barack Obama and Michael Bloomberg, they see opportunity," said Chris Cox, the executive director for the NRA's Institute for Legislative Action.
"While we pray for God to comfort those suffering unimaginable pain, they rush to microphones and cameras, gather in war rooms on Capitol Hill and scheme about how to use that suffering to push their political agenda," he continued. "That's who they are and what they believe, but not us."
Tens of thousands of NRA members and supporters are gathered in Houston this weekend, just weeks after the Senate fell short of the 60 votes needed to push forward with a bipartisan proposal to expand the background check system for firearm purchases. A proposal an assault weapons ban was also defeated.
The vote was seen as a major victory among anti-gun control advocates and among those in the gun lobby, who argued the measure would not have prevented mass shootings like those seen in Newtown, Connecticut and Aurora, Colorado last year.
Gun control supporters, on the others hand, saw the vote as a catalyst to keep pushing for tougher gun laws.
But Cox argued those who want more firearm regulations on the books are simply using the recent tragedies to push their political agendas.
"We are the moms and dads and sons of daughters of the National Rifle Association, and we want to prevent Newtown, not take advantage of it," Cox said.
Around 75,000 people are expected to attend, based on registration and past attendance, with 550 vendors also planning to show up.
Wayne LaPierre, executive Vice President of the NRA, scolded the media for what he described as distorting the gun debate in favor of gun control advocates and arguing that those in Washington and the "elites" are demonizing NRA members.
"We know that every word spoken today and throughout this weekend is going to be scrutinized by our opponents but let me make this perfectly clear, we will never back away from our resolve to defend our rights and the rights of all law-abiding American gun owners."
Texas Gov. Rick Perry also took a swipe at the nation's capital, comparing it to his home state, which he said never loses "faith in the founding fathers' wisdom to include the Second Amendment of the Constitution among the Bill of Rights."
"I wish that sentiment was found in more places, particularly a place whose boundaries are on the Potomac River," he said.
"Our message to them, and our message to everyone in the country, is simple," he continued, adding a plug to the Lone Star State. "There is still a place that loves freedom in America, where people can pursue their dreams free from the kneejerk government regulations that occur. That place is called Texas. That place is called Texas. We want to invite you, if you're not already here, consider coming to the place that loves freedom."
Perry, known for attempting to draw business to his state from other states, also made a pitch to gun manufacturers leaving states that are enacting what he called "draconian" gun laws. PTR Industries of Bristol in Connecticut, for example, said last month it was leaving the state after the state government passed sweeping gun legislation.
Republican Sen. Ted Cruz of Texas, meanwhile, touted his effort to block gun control legislation in the Senate and challenged Vice President Joe Biden to a debate. Biden leads a task force for the Obama administration on coming up with a set of gun control proposals and was a main liaison between the White House and Congress in the final days before the Senate voted on the measures.
"I would like to invite the Vice President to engage in an hour long conversation and debate -- how do we stop crime? And if Vice President Biden really believes the facts are on his side, that this is not simply an exercise in political power by the administration, then I think he would welcome the opportunity to talk about the sources," he said.
Coincidentally, Cruz and Biden will be within two miles of each other Friday night in South Carolina, where they're both scheduled to deliver speeches as separate events.
A number of such gun control advocates under fire at the NRA are set to go to Houston, as well. Erica Lafferty, daughter of slain Sandy Hook principal Dawn Hochsprung, wants to reach out to NRA members and share her viewpoint.
"I just want to make my mom human to them instead of just another name on a list of people who were murdered. She was a person. She was a great person. They need to know that," she said on CNN's "Starting Point."
Asked if she was nervous about heading to a convention led by people who passionately disagree with her views on gun laws, Lafferty said "No."
"I mean, they are people too, and I am trusting that they are going to be respectful as I am," she said.
Earlier this week, Lafferty confronted Republican Sen. Kelly Ayotte of New Hampshire at a town hall, asking "why the burden of my mother being gunned down in the halls of her elementary school isn't as important" as inconveniencing gun sellers.
Ayotte was one of the 41 Republicans who voted against the background check measure.
Lafferty was sent to Ayotte's event by the organization Mayors Against Illegal Guns, one of several gun control groups using this week's Congressional recess to bring the gun control message to the states.
That group said Friday they would air an ad in the Houston market during the convention featuring a gun owner and NRA member whose sister was shot and killed by her husband, who should have been prohibited from buying guns but was able to purchase a firearm online without a background check.
-- CNN's Athena Jones and Kevin Liptak contributed to this report.