[ It's pretty obvious that this is a straightforward yes or no question, and that anything other than an immediate 'no' is therefore a 'yes'. But there are more nuances to it than that. Cisco might not have thought so, before the particle accelerator, before the Flash and the rest of it. But he's seen Barry kill people - Blackout, Atom Smasher, Sand Demon - and he knows that sometimes, there's just no avoiding it. ]

First of all, you can just assume it's never one of those times, unless I'm asking you how an outfit looks on me.

[ Not his best or most original joke, but he's trying to keep it light, to show Taako that he's not going to wig out and start calling him a murderer and shunning him. For all Cisco knows, Eddie's had to kill people on the job. Just because he's never personally been the one to pull the trigger doesn't mean he doesn't get it. ]

I mean, I guessed it was probably a yes. You've had all kinds of crazy adventures and been in battles and shit, right? You're basically a soldier without the fancy uniform.