Logical Murder Puzzle
Four kids having five rocks each were playing a game in which they need to throw the rock at solid area in the water. Kid1: Succeeded in throwing three rocks at solid area but one of the rock sunk. Kid3: His aim was so bad that all rocks got sunk. Kid4: He was awesome and none of the rocks got sunk. Kid2 was the winner but was struck by a rock in the head and died. Who killed Kid2 ?