who killed wes gibbins

Wes Gibbins was killed by Dominick Flores on the orders of Jorge Castillo, Laurel Castillo's father. Jorge had Dominick murder Wes to prevent him from coming forward to the police about the killing of Sam Keating and the shooting of Annalise Keating. After incapacitating Wes with an injection, Dominick choked him to death and then set fire to Annalise's house to destroy the evidence