Final answer:
Partnerships between law enforcement and private security can be traced back to ancient Rome, which established the basis for many modern legal systems.
Step-by-step explanation:
The rise in partnerships between law enforcement and private security can indeed be traced back to ancient Rome. Roman law established the basis for legal systems still in use today, including distinguishing between private law and public law. Additionally, ancient Rome introduced concepts such as presumption of innocence, using precedent in legal decisions, and the patron-client system.