‘GOP presidential candidate Ben Carson has suggested a new method to extract information from terror suspects after Donald Trump’s support for use of torture by the US government.

In an interview with CNN on Tuesday, the retired neurosurgeon urged using “medical ways” to force suspects to speak up, including by decreasing their conscious defense mechanism.

“I believe there are a number of ways to extract information, including some medical ways of putting people into a less-than-conscious state, which allows information to be extracted,” he said, describing the method as “truth serum.”‘

Read more: Truth serum: Dr. Carson comes up with new torture method