Re: Episode of the Week: 3x09 "The Vengeance Factor
One that I like.
Plus, Riker didn't really have a choice. What would they do with her if she survived? Put her on a penal colony for centuries? I chalk it up as a mercy killing. The end of the Lornak clan is what defined her and would continue to define her until they were all dead.
"If I hadn't tried, the cost would have been my soul." - Admiral James T. Kirk, Star Trek III: The Search for Spock