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WATCH: Trump holds campaign rally in El Paso

In recent weeks, when President Donald Trump has made the argument that “walls work,” he has pointed to El Paso, Texas, as a border wall success story.

Trump cited the West Texas city in his State of the Union speech last week, when he spent a large portion of the address reiterating his administration’s talking points around immigration. A barrier was built in El Paso nearly 10 years ago, and the introduction of that barrier, Trump said, allowed El Paso to undergo a profound transformation from a dangerous border city.

“Now, with a powerful barrier in place, El Paso is one of our safest cities,” he said in the speech. “Simply put, walls work, and walls save lives.” Weeks earlier, Trump said the change happened “overnight.”

READ MORE: Trump says walls work. It’s much more complicated

But several El Paso residents and experts have pushed back on the president’s characterization of their city, saying it misconstrues what happened before and after parts of the border wall were erected under former President George W. Bush. (The facts run counter to Trump’s words about El Paso.)

El Paso County lawmakers passed a resolution ahead of Trump’s visit, saying the city’s residents are “disillusioned by [the president’s] lies regarding the border and our community.” Officials cited frustration over Trump’s past statements about the border and about Monday’s campaign rally, “where it is possible that false statements about El Paso will continue to be made.”

Monday night, opponents are holding an anti-wall march in El Paso will to coincide with Trump’s visit. The rally is being led by former Democratic congressman Beto O’Rourke, who represented the area until stepping down from Congress earlier this year and is reportedly weighing a 2020 White House bid.

Members of Border Network for Human Rights hold a march to protest against President Donald Trump's proposed wall, in El Paso, Texas. Photo by Jose Luis Gonzalez/Reuters

Members of Border Network for Human Rights hold a march to protest against President Donald Trump’s proposed wall, in El Paso, Texas. Photo by Jose Luis Gonzalez/Reuters

Trump’s comments about El Paso have already prompted multiple fact checks on his claims. The consensus? He’s incorrect.

The 57 miles of border fencing in El Paso was constructed a few years after Bush signed the Border Fence Act in 2006.

READ MORE: Trump says there’s a ‘crisis’ at the border. Here’s what the data says

In January, Republican Texas Attorney General Ken Paxton told Trump during a border security roundtable that the border wall worked in El Paso. As proof, he cited the noticeable drop in crime after the barrier was built.

“We’ve tested it in Texas,” he told the president.

But as the El Paso Times pointed out, the crime data has not backed this up.

According to available FBI crime statistics from the agency’s Uniform Crime Reports, the rate of violent crime in the city spiked in 1993. More than 6,500 violent crimes were recorded that year, the newspaper reported. But violent crimes declined in the years since that spike and before construction of the border fence took place. In their resolution Monday, El Paso County officials noted the city’s violent crime rate dropped 62 percent between its peak in the 1990s to 2007, a year before construction on the fence began.

The crime rate in El Paso also rose from 2006 to 2011. Construction of the wall in El Paso finished in 2008.

After Trump’s remarks about El Paso in his State of the Union address, Mayor Dee Margo, a Republican, took to Twitter to counter the president’s claims, saying that “El Paso was NEVER one of the MOST dangerous cities in the US.”

“We‘ve had a fence for 10 years and it has impacted illegal immigration and curbed criminal activity. It is NOT the sole deterrent. Law enforcement in our community continues to keep us safe,” Margo added.

Rep. Veronica Escobar, D-Texas, also tweeted that Trump was “lying” and used his State of the Union address “to spread falsehoods about our beloved city of El Paso.”

The PBS NewsHour will update this story as it develops.

READ MORE: How Trump has already changed immigration policy

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