GOP presidential candidate Ben Carson dropped by Pinal County, Arizona, today to speak with Pinal County Sheriff Paul Babeu, a favorite of anti-immigrant activists and one-time GOP candidate for Congress, where the candidate said he was open to drone strikes in order to combat unlawful immigration along the southern border.

The television station KPHO captured part of the exchange, in which reporter Dennis Welch, apparently responding to an earlier comment from Carson, says that “drone strikes on American soil seems a little over the top, even to entertain that idea.”

“You can entertain all kinds of things,” Carson responds. “Here’s the take-home point: The take-home point is that we have excellent military leaders and we need to employ their expertise because this is a war we are fighting. That’s the bottom line.”

Welch also tweeted that Carson said the drone strikes could go after “caves and things” on the southern border: