Here's a few times I was able to record some players bug abusing

Crouch bug
Players:
https://www.gtasa.eu/player/549070
https://www.gtasa.eu/player/415981

Evidence:
https://www.youtube.com/watch?v=JMvIV_8b0SA
https://www.youtube.com/watch?v=Fjwc1FXr32U

Slide? bug
Players:
https://www.gtasa.eu/player/140719
https://www.gtasa.eu/player/588102

Evidence:
https://www.youtube.com/watch?v=EYQ8InlIHhw
https://www.youtube.com/watch?v=zlBv6jK0AGU