
Yeah, I agree. But I so freaking hope that's not the case. Cause Elaine and Arlo need to back the F off!
Another thing, I presume this is the same group that is taking down other people with powers. Is this how they've managed to do it so far? And I wonder if the drug in the needle has something to do with John's blood?

Well, Arlo saw what John's ability is. Her wound and symptoms shouldn't make any leads to that. Besides it is well known that sera hangs out with John for quite some time, and for that time Sera has never shown signs of getting hurt.
I think is more probable for them to just get worried about what happened to her, and in case of an overreaction, they might blame John responsible (But not guilty) for whatever reason.

Well, it's true. but just partly, because Arlo doesn't jump to conclusions like Elaine does. And John being an ass with Elaine and Arlo IS bad not because it's him being mean to them, but because right now he hasn't assert how bad Sera's condition is and is focusing on lashing out on the ones he called to help.
Elaine and Arlo are definitely going to interpret the situation as Sera was attacked by John. i mean, he is the only one possible they know that could even touch Sera.