Statutes in many states have modified and in some cases broadened the common law privilege, for example, by expressly permitting detention of the suspect until the police arrive. In other cases, case precedent has provided shopkeepers with similar tools. The practical effect of these extensions is to give the shopkeeper the same privilege as a police officer to make an arrest on reasonable grounds.
In various states, statutes have modified and sometimes broadened the common law privilege, allowing suspects to be detained until police arrive. In other instances, judicial precedents have provided shopkeepers with comparable rights. The result is that shopkeepers can exercise a similar privilege as police officers when making arrests on reasonable grounds.