A former Saddam Hussein torturer reminisces:

“They would usually say ‘there is no God but God’,” said Abu
Hussein.
Death always came after weeks of torture.
“Sometimes we would hang them upside down and beat their
feet with clubs. Or we would electrocute them,” he said.
“One of the worst things was putting 10 people in a
one-square-metre room for weeks. They had a brief break every
day and were allowed the toilet every three days,” he said.
Three executions were carried out each Monday and Thursday.
One day Saddam’s feared son Uday showed up and asked about eight
political prisoners standing nearby. He ordered their immediate
execution, said Abu Hussein.
Abu Hussein, a father of three, said watching men writhe in
agony as they died sometimes made him cry. But he said nobody
could afford to defy orders in Saddam’s Iraq.
“We would have been killed on the spot. One time this
executioner was one hour late in hanging someone and he was
himself hanged. What could we do? All of this had a toll on us,”
he said.

He is ready, by the way, to get back to work: “I am ready to return to my job if Saddam comes back.”