Riley and Gabriel in “Delta Force”

So, how does a... special-forces soldier like Norris, that kind of résumé, become a hired mercenary for a crazed despot in South America?

Combat's addictive. No other rush like it. A lot of guys start jonesing the minute they leave the battlefield.

But to become an assassin? Were there any warning signs with Norris? Psychological spikes, morally questionable behavior?

Morally questionable behavior. Yeah. It's called war.