Facts
- Joseph G. Griffin was on probation under Wisconsin regulations placing probationers in state custody and subject to departmental conditions.
- A Wisconsin regulation authorized a probation officer to search a probationer’s residence without a warrant if a supervisor approved and there were “reasonable grounds” to believe contraband was present.
- Another regulation prohibited a probationer from possessing a firearm without advance approval from the probation officer.
- Griffin’s probation officer received information from a police detective that there were or might be guns in Griffin’s apartment.
- With supervisory approval, probation officers conducted a warrantless search of Griffin’s apartment and found a handgun.
- Griffin was charged with felony possession of a firearm by a convicted felon and moved to suppress the handgun as the product of an unconstitutional search.
- The trial court denied suppression; Griffin was convicted; Wisconsin appellate courts affirmed.
Issues
- Whether the Fourth Amendment permits a warrantless search of a probationer’s home conducted under a state probation regulation and based on “reasonable grounds” rather than probable cause.
Decision
- The Supreme Court affirmed in a 5–4 decision (Justice Scalia).
- The Court held the warrantless search did not violate the Fourth Amendment because it was reasonable under a regulation that satisfied Fourth Amendment reasonableness.
- The Court treated probation supervision as a “special needs” setting that can justify departure from ordinary warrant and probable-cause requirements.
- The Court found the search complied with the regulation: supervisory approval was obtained and the detective’s report supplied reasonable grounds, especially given probation limits on firearm possession.
Legal Principles
- The Fourth Amendment’s reasonableness requirement may be satisfied by a warrantless probation search conducted under a valid regulatory scheme when special needs beyond ordinary law enforcement make warrant and probable-cause requirements impracticable.
- Probationers have diminished liberty and privacy interests, permitting closer supervision to enforce probation conditions, support rehabilitation, and protect the community.
- A regulation-based “reasonable grounds” standard may constitutionally substitute for probable cause when structured to limit arbitrary searches (including consideration of information reliability, specificity, and supervision needs).
- Warrant requirements may be dispensed with when they would materially interfere with probation administration by slowing responses to misconduct and shifting supervision judgments away from probation authorities.
Conclusion
The Court upheld a warrantless search of a probationer’s home authorized by Wisconsin probation regulations, concluding that probation supervision presents special needs that permit warrantless searches on reasonable grounds when conducted within a structured supervisory framework.