08/28/2026
We all need to know case laws, but not many of us have the time to review them. So, we will be sending you the notes on some essential cases to help you out! Our first case is US V Weeks which created what we now know as the Exclusionary Rule
The Exclusionary Rule
US v. Weeks (1994)
Case Overview
The Incident:
Federal agents searched Fremont Weeks’ home without a search warrant and seized papers used to convict him of transporting lottery tickets.
The Legal Issue:
Did the warrantless search of a home and seizure of private items violate the Fourth Amendment?
The Ruling:
Yes. The U.S. Supreme Court unanimously held that the warrantless seizure of items from a private residence directly violates the Fourth Amendment.
The Birth of the Exclusionary Rule
The Impact:
Weeks v. United States established the Exclusionary Rule.
The Rule: Evidence obtained through illegal searches and seizures cannot be used against a defendant in a federal court.
The Evolution:
While Weeks originally only applied to federal law enforcement, a later case (Mapp v. Ohio, 1961) extended this rule to state and local police.
Key Street Takeaways for Officers
No Warrant, No Evidence:
If you violate a citizen’s Fourth Amendment rights to get evidence, that evidence becomes useless (“fruit of the poisonous tree”).
Protect the Case:
A bad search can completely destroy an otherwise perfect criminal investigation.
Know Your Exceptions:
Unless you have a recognized warrant exception (e.g., exigent circumstances, consent, plain view, or search incident to arrest), get a warrant before entering a home or searching private property.
We hope this helps you while you’re on the job!
Stay sharp,
—Team TacBook
Now you can access more resources anytime on our Team TacBook vault or the TacBook Mobile App! So, Be On the Lookout…
Check out our resources at TacBookUSA.com 🇺🇸