How piper from the squad die

She was just trying to talk to lev then she fell on the floor With a knife in her back and lev saw what was confusing piper,s ex with a knife next lev called hunter he went running into piper,s room she was fond half died and she was still and not moving no no no hunter saied then lev finely arrived at piper,s then piper,s ex was sent to jail for 8 year,s then the next day Hunter and piper,s mum and every one she know even the squad was found died in piper,s bathroom .😱