This guide will provide you the fastest method to get XP on the police and sheriff team in Roblox Emergency Response Liberty County.
You will need to join a server that has at least one criminal in it. Then join the police team and equip Taser.
After that, you have to spawn the fastest available car. Drive across the map to find the criminal. You will get XP while just patrolling around the city.
You can also earn XP by finning or arresting the people in the game.