On his show last night, Stephen Colbert dedicated a whole segment to the death penalty, skewering the cloak of secrecy shrouding many states’ execution protocols.

“Americans support the death penalty, but don’t want to know how the sausage is made,” the Comedy Central host said.

Colbert focused on Tennessee, where death row inmates sued to uncover who is supplying the drugs that will be used to carry out their executions. Tennessee is one of several states, including Georgia, Missouri and South Dakota, with laws granting anonymity to lethal injection drug suppliers.

Watch the full segment: