And the computer analyzes. 97% likelihood this man has killed before. 43% likelihood he's used a sword before. So he's told the truth, more less. The computer informs Midnighter that it's still got insufficient data for further speculation, but Midnighter has the information he needs.

They shouldn't put people who don't know how to kill in a warzone.

"Afraid of getting your rags dirty?" Midnighter asks, grinning a challenge. He himself is covered in blood without much evident concern for it. The black fabric he wears obscures a fair percent of it, making it unclear just how much gore he's seen today. "Suck it up, cowboy."