Look at these giggling old men. This is what they're saying to the interviewer (see video link, sorry it's Xitter) about their actions in 1948.
Left:
"I didn't talk to anyone about it."
"What about your wife? I assume you lived with her for many years. You never talked to her about it?"
"I never told her. What would I tell her - that I'm a murderer?"
Right:
"And some guys took flamethrowers and ran after people and incinerated them."
