Former Secretary of State Donald Rumsfeld went “On the Record” tonight, where he said much of the country seems to be in denial about ISIS terrorism.

His interview came in the wake of reports that ISIS has burned 45 people to death in Iraq, in addition to the news that ISIS beheaded 21 Christians in Libya.

“It brings back to mind the period before World War II where people said ‘I didn’t know’ or ‘I was just following orders’ or ‘it’s random,' but when you kill – systematically kill – Jews and kill Christians and say that’s what you’re doing, it’s not random, it's purposeful.”

Rumsfeld said this country must look at this problem honestly and deal with it. He said that the only way to deal with ISIS is to go after it.

“It is important that we not have a leadership vacuum,” he added.

Rumsfeld also weighed in on the new Secretary of Defense Ashton Carter, calling him a good man who will do well.

Watch the full interview above.