Introduction

Warrantless Vehicle Searches

Introduction

An officer who has pulled a car over on a public road and has good reason to think it holds drugs faces an immediate choice: leave to find a judge, or search where the car sits. The Fourth Amendment's baseline answer favors the judge. A search conducted outside the judicial process, without a judge's or magistrate's prior approval, is per se unreasonable, meaning it is treated as unreasonable automatically and without case-by-case weighing, subject only to "a few specifically established and well-delineated exceptions."¹ The officer's own confidence does not change that starting point, because warrantless searches have been held unlawful even when the facts showed probable cause.² The reason lies in who makes the call. A warrant places the probable-cause judgment with a neutral and detached magistrate instead of an officer engaged in the competitive work of investigating crime. Prior review limits the power concentrated in executive officers, stops some overbroad searches before they happen, and keeps hindsight from coloring later review of whether the search was justified.³

The automobile exception is one of those few exceptions, and {{case_placeholder}}