the 'ski patrol' [=a group that patrols an area on skis]
The guard makes a 'patrol' of the building every hour.
a 'foot patrol' [=a group that patrols by walking]
(..) - I will change you for a Mexican lover. I have to leave boys, I sit down it, I have to leave. There the patrol car of the river comes and they cannot see me, because I don't have permission and it should not be here. If they ask them, you. they don't have me seen, seriously I sit down it a lot. (..)2007 Into the Wild
(..) and your you are Supermanzana. You are flavorful san. You are so organic. So natural. You are the apple of my life. At the beginning of September, they received a call of the police, when the patrol car of highways he/she found Chris' abandoned car. A group of searchers he/she rushed to the desert. (..)2007 Into the Wild