Asked whether it was time for voters to apply more scrutiny to Donald Trump and Ben Carson, both political outsiders who have shown limited foreign policy expertise on the campaign trail, Cruz said that in the wake of recent attacks in Paris and San Bernardino, voters should more carefully evaluate every candidate's credentials.
"They’re looking at every candidate for president and assessing who’s prepared to be commander in chief, who has the experience, who has the clarity of vision, who has the strength and resolve to keep this country safe," Cruz said.
Also on Saturday, the Cruz campaign is beginning to air a new television ad in Iowa featuring a similar vow to "kill the terrorists."
Cruz's comments to reporters came during a pep rally in Des Moines with dozens of volunteers, many of whom came from Texas to stay at "Camp Cruz," a former college dormitory that the candidate's campaign has commandeered as temporary housing for volunteers.
Cruz repeatedly bashed President Obama and Democratic front-runner Hillary Clinton, Obama's first-term secretary of state, for what he called a weak foreign policy.
“When President Obama stands up and says the Islamic State is not Islamic, that’s just nutty," Cruz said. "That’s not a reasonable foreign policy discussion. That’s not an interesting view on national security. That is bizarre political correct blindness."