Eh, Ryan hasn't yet done anything that can be categorized as evil, and when he has killed people it's been either accidental, like Becca or the stunt guy earlier in this season, or been in self defense, Mallory was planning imprisoning him. Even then, actually killing her might have been accidental as well, though that could be open to discussion.
I think it was pretty evident it was an accident. Ryan has no training yet and is an emotional teenager. When a human teenager gets a tantrum or loses control it usually doesn't do much if any damage, with Ryan it's different obviously.
Starting to really not like Starlight. Finding her such a selfish self-righteous cow.
Hughie basically gets raped in the worst way possible in a BDSM dungeon and by a shape shifter and she all "me me me me me poor me" and worse in the latest episode blaming him.
I think that went pretty realistically ( when you factor in the superhero/weird powers angle). Hughie had no way to know it wasn't Annie as the shifter was also capable of copying memories giving her the ability to make a near perfect copy. Hughie just knows Annie so well that he started to notice the little things.
Yes, Annie was mad and she was unfair but when Hughie explained some things she cooled down and basically apologized just without using the word Sorry so it's all good between them ( once he gets tested that is

One thing i forgot to mention - i think Butcher as a person is dead and the Kessler tumor controls his body. Kessler is suspiciously not talking anymore at the end ( could be also because it's a montage with music) amd Butcher seemed perfectly fine when he tore Neuman apart and drove off.