2.0 update added Politi badges to the vest.
Gta 4 mod list:
https://www.gtagarage.com/mods/show.php?id=15703
https://www.gtainside.com/en/gta4/weapons/126557-hd-iv-weapons/download/ (use the weapon sounds from this too they are great, i suggest using the weaponinfo from the mod below instead of this ones weaponinfo)
https://www.gtagaming.com/realism-series-weapon-explosion-sounds-physics-v1-2-f17414.html
https://www.gtagaming.com/exaggerated-blood-v1-16-f2318.html
https://www.gtainside.com/en/gta4/trainers/156823-simple-native-trainer-for-2020-patch-reupload/download/