Fourth Amendment: Reasonable Suspicion

  1. Unprovoked Flight (Illinois v. Wardlow)
    Unprovoked flight: evidence of reasonable suspicion when D runs upon noticing police in a high crime area (both alone not dispositive) (Illinois v. Wardlow)
  2. Refusal to Cooperate
    Refusal to cooperate: no reasonable suspicion when person ignores approaching police and walks away
  3. Anonymous Tip (Florida v. JL)
    Anonymous tip: reasonable suspicion requires reliability in the assertion of criminal activity, and not just the identity of a person

    Florida v. JL: an anonymous tip that person was at a bus stop, armed, and wearing a plaid shirt was not reliable since it does not show that the tipster had knowledge of the concealed criminal activity
  4. Airport Smuggling (Florida v. Royer)
    Airport smuggling: little or no luggage from source city, signs of nervousness, public transportation, phone call after landing (Florida v. Royer)
Card Set
Fourth Amendment: Reasonable Suspicion