Rules
Levels of Privacy Expectation
Warrant Requirements
Scenarios
100

This constitutional amendment protects individuals from unreasonable searches and seizures.

Fourth Amendment


100

Level of privacy expectation in a home
(high, medium, low)

HIGH

100

Police typically need this legal document, signed by a judge, to search a person’s home.

Warrant

100

A high schooler was caught skipping class and brought to the principal’s office. The principal demanded access to the student’s phone without justification. The student could argue this right was violated.

4th Amendment Right

200

This principle requires law enforcement to have a reasonable belief, based on facts, to conduct a search or make an arrest.

Plain View Exception

200

Level of privacy expectation in a car

(high, medium, low)

MEDIUM

200

A search is allowed when a person voluntarily agrees without coercion.

Consent

200

A student's backpack was searched without their consent, and contraband was found. The search was deemed unconstitutional because the school lacked what. 

Reasonable Suspicion

300

Police may conduct this limited search for weapons during a stop if they have reasonable suspicion that a person is armed and dangerous.

Stop and Frisk (called a "terry stop" - 100 bonus points if you get this!)

300

Level of privacy expectation on a sidewalk

(high, medium, low)

LOW

300

If police fail to obtain a warrant, the evidence they obtain can be excluded from trail.

Exclusionary Rule

300

During a lawful traffic stop, an officer sees a weapon on the backseat in plain view and seizes it without a warrant. This seizure is lawful under this doctrine.

Plain view
400

This legal standard allows police to detain a person briefly to investigate possible criminal activity, even without probable cause.

(responsible suspicion, probably cause, beyond a reasonable doubt)

Reasonable Suspicion

400

Level of privacy expectation in a public school

(high, medium, low)

LOW

400

Before executing a warrant, law enforcement must typically do this to notify occupants in a house. 

Knock and announce

400

A warrant is issued to search a suspect’s home for stolen electronics, but police also searched a small locked drawer and seized unrelated drugs. The seizure of the drugs violated this Fourth Amendment requirement.

Specificity in the warrant aka particularity requirement
500

Law enforcement must have a reasonable belief, based on facts they can show, to conduct a search or make an arrest.

(reasonable suspicion, probable cause, beyond a reasonable doubt)

Probable cause

500

Level of privacy expectation in another person's home

(High, medium, low)

MEDIUM

500

Warrants must describe these two things with particularity (specifically) to comply with the Fourth Amendment.

The place to be searched and the items to be seized

500

Officers searched a suspect’s garbage left at the curb without a warrant. The search was deemed constitutional because the suspect no longer had this in the trash.

Reasonable Expectation of Privacy