You should make specific roles of Police jobs,
Like this
Jr Detective
Tools:
Baton
Pistol
Income: slightly more than a normal officer (Idk what it is)
Detective
Tools:
Baton
Pistol SD
Income: Higher than Jr Detective
Chief Of Police
Tools:
Baton
Shotgun
Pistol SD(Or not)
Income: Highest of the Police branch
Officer Intern
Tools:
Baton
Income: Lowest, or none at all.
Jr Officer
Tools:
Baton
Tazer
Income: Low but Higher than Intern
Officer
Tools:
Baton
Pistol
Income: Intermediate (In between) (Higher than Jr Officer)
And so on.