Cnn's J im Acosta confirms that fences work.

Sep 2016
CNN's Jim Acosta traveled to Texas ahead of President Donald Trump's visit to the border and decided to go to the border to show that the president was wrong about was is happening and ended up showing that border walls work.

“Here are some of the steel slats that the president has been talking about, right here, as you can see, yes you can see through these slats to the other side of the U.S.-Mexico border,” Acosta said. “As we’re walking along here we’re not seeing any kind of imminent danger, there are no migrants trying to rush toward this fence here in the McAllen, Texas area.”
Read more at CNN's Acosta Proves Border Walls Work | TrumpTrain

He also confirmed people were not trying to cross where there were rolls of barbwire. Of course he emergency here.. Of course not...the "walls" worked.