So these are government employees, acting in the context of their duties ...as government employees, but records pertaining to their actions, expenditures, etc. are not required because the 501(c)3 owns... what exactly?
Either you're kicking in the door and killing an elderly man in a poorly executed search for 0.2g of marijuana and a man in the backyard as a law enforcement officer, in which case you should be bound by the same requirements every tax-funded police department is, or you're doing it as an employee of a tax-exempt corporation, in which case you should go to jail for B&E, Homicide, possession of an automatic weapon, possession of marijuana, etc.