Who killed who in Scream 6 - answered

Jason and Greg- Wayne Bailey, this is an obvious.

Bodega- Wayne Bailey, he was the only one who was available. He drew Sam and Tara out of their apartment while he left the crime scene and changed into the robes and waited for them. Quinn and Ethan were in the apartment still.

Dr Stone- Wayne, he was the one looking for the files and if only makes sense.

Apartment-

Ethan, his alibi was not solid at all and he knows his way around the apartment

Gale and Brooks- Quinn, she admitted to this.

Train attack- Quinn, again she admitted to this