Authorities in the western Mexican state of Michoacan discovered the bodies, believed to be officers who had gone missing a week ago.
Trump's push for a massive wall is dominating Washington. But over the last two years, the administration has already erected a virtual wall to block people seeking refuge.
President Donald Trump is set to hold a rally Monday in El Paso, Texas, as the possibility of another shutdown over immigration looms.
"Whether or not [Trump] gets $1.6 billion from Congress, whether or not he gets $2.5 billion or $5.7 billion, he's going to do whatever he legally can to secure that border," Trump's acting Chief of Staff Mick Mulvaney said.
Despite Trump's comments, El Paso has not been considered one of the most dangerous cities in the U.S. and violent crime actually increased after a border fence was built.
The Department of Homeland Security said Border Patrol in the San Diego sector has seen a 69 percent increase in apprehensions this fiscal year to date.
"I love President Trump. And he's doing a great job. Absolutely. But I must say it's still up to the American people," the CBP agent told BlazeTV host Eric Bolling.
"Such caravans are the result of Congress's inexcusable failure to fully fund a needed physical barrier," DHS Secretary Kirstjen Nielsen said.
The president's threat to build a "human wall" follows Sunday's announcement that nearly 4,000 additional U.S. troops would be deployed to the southern border.
They "almost seem to have like a sexual fetish for a cement wall … a big beautiful erection of a wall," S.E. Cupp said, taking aim at Ann Coulter and others.
Impact felt of drastic increase in homicide between 2005 and 2015.
Nearly a dozen U.S. residents have returned with drug-resistant infections after getting medical procedures in Tijuana, the CDC said.
Vampire bats' venom contains a compound that could revolutionize the treatment of serious medical conditions, researchers say.
Pena Nieto dismissed the allegations as "false and defamatory."
"I would hate to see it," Republican Senator Ron Johnson from Wisconsin said. "I would prefer not, primarily because, if we do that, it's going to go to court."
President Donald Trump has said he would be willing to use his national emergency powers to secure funding for the border wall if Congress won't give him the money.
Mexico coast guard evacuates man aboard a Carnival cruise ship needing urgent surgery to a private hospital in Cancun, which ceases emergency treatment when he cannot front the money.
The bodies were found close to the city of Nuevo Laredo along the Rio Grande.
Politics author John Heilemann said the border wall is President Donald Trump's "erogenous zone," saying discussion of the 2016 "campaign lie" brings Trump immediate, almost sexual gratification.
South Carolina Republican Sen. Lindsey Graham sought to widen Washington's divide during a Sunday rant against the "radical left" who refuse to bill American taxpayers about $5.7 billion for President Donald Trump's border wall.
"Do you know where those 4,000 [suspected terrorists] come, where they're captured?" Chris Wallace asked. "Airports," he answered.