"Cain what the hell happened, how could this even happen? Who else has a grudge against Avianna" Enzo kept asking furiously.
Enzo saw the news about Avianna getting shot and since then he has been very angry. It was already getting late but he was still in his office with Cain trying to figure out who it could be that wanted Avianna dead.
Enzo has managed to get everybody he knew had any serious grudges with Avianna together to make sure they are on the same page and under him because he wanted to be the only person punishing her.
She wanted her dead. That was an obvious fact but then he wanted to make sure that she suffers to get a thirst of what she had made others go through before ending her life.
And knowing that someone out there was going to be a hindrance to his plans was pissing him up so bad and right now he wasn't even sure that Avianna would make it.