My party and I noticed while spectating a couple of Skyes that once in a while her flash would make a double pop sound (but no hawk noise) and explode but not actually flash. At first we thought it was some kind of obscure mechanic like a f...

At this time, there is no reason to try to get the knife kill unless your bullet is gone. and in other situations, trying knife kill has only risk because you can just shoot them. but in csgo, if you get the knife kill, you will earn more...