See, while I know that killings should generally be avoided in a reasonable effort to keep people in the round, there are some circumstances where it 100% makes sense to use lethal force on a suspect.
Let's look at the situation Sue described.
1. The killed character was the principal suspect in a murder case, with strong evidence against him, and was attempting to escape.
2. The suspect had a reasonable chance at escaping (getting vented into space with a hardsuit, no sec personnel around).
3. Only lethal force was available (detective doesn't have a taser, only revolver).
Given all of this, do you still think it wasn't appropriate to use lethal force against Imraj? If not, what do you think should have been the appropriate course of action, and why?
The appropriate course of action would be to fire at the suspect, yes, but to aim for the legs or foot to try and take him down. Not firing directly at his head.