Fruits of the Poisonous Tree

Sample Answer

In legal terms, "Fruit of the Poisonous Tree" is a doctrine that extends the Exclusionary Rule. It is a metaphor used to describe evidence that is obtained illegally.

The Metaphor Explained

The Poisonous Tree: This represents the initial illegal act by law enforcement, such as an unconstitutional search, an illegal arrest, or a coerced confession (a violation of the Fourth or Fifth Amendments).

How It Works in Court

If a defense attorney can prove that the primary evidence was obtained illegally, they can file a Motion to Suppress. If the judge agrees, not only is the primary evidence thrown out, but all "derivative" evidence (the fruit) is also inadmissible in trial.

Example: Police conduct an illegal search of a suspect's home without a warrant (The Poisonous Tree). During this search, they find a map to a locker at a bus station. They go to the locker and find a weapon used in a crime (The Fruit). Because the map was found illegally, the weapon found in the locker cannot be used against the defendant in court.