1. Your ingame name: Alan0
2. The offender's exact ingame name: OfficerNasty109
3. A description of what rule they broke/how they broke it:
   This player used No-Fall at the parkour.
4. Evidence/full screenshots.

 

Just incase this is insufficient evidence, here's another vid.
You can see his anti-kb at around 0:45.

 

Thank you for the report. The reported player has been banned.
This thread has been moved to Reports - Banned.