i started the timer early, you can see this if you slow down the recording. 0.06 of a second early, the bullet kills the zombie at 5.20 which can also be seen when slowed down. thanks :)

Mod: Time starts at 18.500 and ends at 21.633 at 30 fps to get a final time of 0m 03s 133ms. Retimed using SPRT

2nd Mod (Kai.): Time starts at 6.800 and ends at 11.933 at 30 fps to get a final time of 0m 05s 133ms. Retimed using https://github.com/Slush0Puppy/retime