yes, of course they did....
https://psmag.com/news/did-democrats-support-border-barriers-before-trump-took-office
Nonetheless, the Trump team is correct that, in past decades, Democrats have been generally enthusiastic in their support for increased border security. The first border wall between San Diego and Tijuana went up under President Bill Clinton. In 2011, then-President Obama noted proudly that, under his presidency, Customs and Border Patrol had more agents than ever before: "We have strengthened border security beyond what many believed was possible," he said. "We now have more boots on the ground on the southwest border than at any time in our history. The Border Patrol has 20,000 agents—more than twice as many as there were in 2004, a build-up that began under President Bush and that we have continued."
https://psmag.com/news/did-democrats-support-border-barriers-before-trump-took-office
Nonetheless, the Trump team is correct that, in past decades, Democrats have been generally enthusiastic in their support for increased border security. The first border wall between San Diego and Tijuana went up under President Bill Clinton. In 2011, then-President Obama noted proudly that, under his presidency, Customs and Border Patrol had more agents than ever before: "We have strengthened border security beyond what many believed was possible," he said. "We now have more boots on the ground on the southwest border than at any time in our history. The Border Patrol has 20,000 agents—more than twice as many as there were in 2004, a build-up that began under President Bush and that we have continued."
