From A Poisonous Tree | Fruits

Justice Felix Frankfurter coined the specific phrase "fruit of the poisonous tree" in the 1939 case Nardone v. United States .

fruit of the poisonous tree | Wex | US Law | LII / Legal Information Institute Fruits from a Poisonous Tree

If police perform an illegal traffic stop and find a key to a locker, any evidence found inside that locker is "fruit" of the illegal stop. Unless one of the exceptions applies (like proving they were already planning to search that locker), the evidence from the locker will be suppressed in court. Justice Felix Frankfurter coined the specific phrase "fruit

The Supreme Court first established the principle in Silverthorne Lumber Co. v. United States (1920). Unless one of the exceptions applies (like proving

The initial illegal action taken by law enforcement, such as a search without a warrant or a coerced confession.