Story highlights "Who are they going to pick? I beat everybody. I beat the hell out of them," Trump said

"And we're going to beat Hillary. And it would be helpful if the Republicans could help us a bit," Trump added

Washington (CNN) Donald Trump on Saturday suggested Bernie Sanders is staying in the Democratic race because of an "FBI convention" that would lead to prosecution of Hillary Clinton over her private email server while secretary of state.

At a Las Vegas rally, Trump, the presumptive Republican nominee, implied that Sanders is waiting for Clinton to be indicted so he can then claim the Democratic nomination himself at the party's convention in Philadelphia.

"Crazy Bernie," Trump said of the Vermont senator. "He's crazy as a bed bug, but he doesn't quit."

"He's waiting for the FBI to do what everybody thinks they're going to do," Trump added. "I think he's saying, 'Let's hang in there because its ultimately called the FBI... We'll see if the right thing happens. Everybody knows what the right thing is."

Trump made a similar rally at his second rally on Saturday, in Phoenix.

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