A new ad for Republican presidential candidate Ted CruzTed CruzHow 'Big Pharma' stifles pharmaceutical innovation AIPAC must reach out to President Trump Under pressure, Dems hold back Gorsuch support MORE focuses on the story of a father whose son was reportedly killed last year by an illegal immigrant.
The 30-second ad, titled "Grant," will air in Arizona, CNN reported.
The ad starts off showing childhood photos Steve Ronnebeck's son.
"My son, Grant, was killed working an overnight shift at his job by an illegal immigrant," Ronnebeck says in the ad. "He was out on a nice bond. He should have been deported."
Ronnebeck said his son's death was "completely preventable."
He said he trusts Cruz because the Texas senator believes in our "Constitution" and the "rule of law."
"It's time we put somebody in office who puts the American people first," he said.
Ronnebeck's son was reportedly shot by an illegal immigrant in 2015 while he was working an overnight shift at a convenience store in Mesa, Ariz., The Arizona Republic reported. A man handed Grant Ronnebeck change and asked for a pack of cigarettes. The man then shot him after he attempted to count the money.
The ad is part of a six-figure buy by Cruz in both Arizona and Utah, according to CNN.
According to the RealClearPolitics average of polls in Arizona, Republican presidential front-runner Donald TrumpDonald TrumpMcCain says he hasn't met with Trump since inauguration Mulvaney: Let states figure out 'essential health benefits' How President Trump can restore sanity to America's labor laws MORE leads by 13 points over Cruz, 34 percent to 21 percent.
Both states will hold their Republican presidential primaries on Tuesday.