SPOILER ALERT: This story contains details about the Season 3 finale of ABC’s How to Get Away With Murder. One mystery ends, another begins: Tonight's two-hour season finale of ABC's How to Get Away With Murder revealed Wes' killer while leaving viewers wondering, well, who is Wes' killer? “Isn’t that what you want, to find out who killed Wes and make them pay?” asked Viola Davis’ Professor Annalise Keating early in tonight’s double episode.