Hunger Games plot twists

Katniss killed finick in the arena, snow got what he wanted, peeta's heart stopped when he struck the force field. He died. Joanna found Katniss next to peeta's dead body sobbing "you know finick knows CPR but he's dead right?". She says with a smile before. Sending an axe through katniss'es head. Joana mason 75th hunger games victor