The purpose of performing a search after an impound is to:

The purpose of performing a search after an impound primarily centers on the necessity to protect property and contraband. When a vehicle is impounded, law enforcement officers have a responsibility to ensure that any items of value or potential evidence within the vehicle are safeguarded. This search aims to identify and secure any contraband, which could include illegal items or substances that should not be present in the vehicle. Furthermore, it helps protect the owner's legitimate possessions from being lost, damaged, or destroyed while the vehicle is in custody.

Inventorying personal belongings is a related action but is primarily focused on ensuring that the owner's property is accounted for and protected. However, the overarching priority during an impound search is to ensure that any contraband is appropriately managed, which aligns with law enforcement's duty to uphold the law and maintain order.