At the beginning of the first chapter of The Parish it is possible to instant kill the Survivors right as they leave the dock. Using the Charger, wait until the survivors choose their weapons and then run to the end of the docks walkway. If there happens to be more than one Survivor within that area it is possible for the Chargers area damage effect to hit the nearby survivors over the railing killing them as they land in the water. The following is a video of the instant kill in action: