Story highlights Indiana Gov. Mike Pence endorsed Ted Cruz's presidential bid on a radio show

Pence's support comes ahead of the state's crucial May 3 primary

Indianapolis (CNN) Indiana Gov. Mike Pence endorsed Ted Cruz Friday, just days before a primary that could make or break the Texas senator's chances of halting Donald Trump's march to the Republican presidential nomination.

But Pence was quick to praise Trump, too, and encouraged Hoosier voters to "make up their own minds."

"I'm not against anybody, but I will be voting for Ted Cruz in the Republican primary," Pence said in an interview with WIBC's Greg Garrison. He praised Cruz's "knowledge of the Constitution" and his willingness to "take on the leadership" of his own party.

Pence expects to campaign with Cruz and is in discussions with the Texas senator's aides about scheduling, he told CNN after the radio interview.

Still, Pence is far from joining other Cruz endorsers like Wisconsin Gov. Scott Walker in the stop-Trump movement.

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