Murder mystery script maybe?

for i,v in pairs(game.Players:GetChildren()) do
v.Character.ChildAdded:connect(function(child)
if child.Name == "Knife" then
local a = Instance.new("Message",workspace)
a.Text = v.Name
wait(2)
a:Remove()
repeat
wait()
v:Move(Vector3.new(math.huge*0))
until v.Character:FindFirstChild'Head' == nil
end
end)
end