Trump insists non-citizens sneak into the country and vote illegally in pre-election rant

In a conversation with pool reporters before heading out to a rally, President Trump claimed without evidence that non-citizens sneak into the United States and vote illegally.

Asked by a reporter, "What proof do you have that people are trying to illegally vote in this election," Trump said that it had been a problem for years, but didn't cite any basis for the claim.

"Take a look at what's happened over the years and you will see," the president said. "There are a lot of people, a lot of people in my opinion and based on proof, that try to get in illegally and actually vote illegally."

The president promised prosecutions, but provided no evidence for his claim.

Watch the video below.