Derivative Evidence

Derivative Evidence

Facts, information, or physical objects that tend to prove an issue in a criminal prosecution but which are excluded from consideration by the trier of fact because they were learned directly from information illegally obtained in violation of the constitutional guarantee against unreasonable searches and seizures.

Derivative evidence is inadmissible as proof because of the application of the Fruit of the Poisonous Tree doctrine, which treats the original evidence and any evidence derived from it as tainted because of the illegal way in which it was obtained by agents of the government.

References in periodicals archive ?
that which is evidence without one needing further evidence for it to be evidence) and one's derivative evidence (i.
Even so, two important examples of the potential difference between trial in a federal court and that in a military commission are (1) the handling of hearsay evidence and out-of-court affidavits attesting to scientific or technical test results; and (2) the handling of derivative evidence.
Derivative evidence is evidence that the government discovers as a result of statements or evidence that it obtains directly from the suspect.
163) Importantly, however, the military commission rules do not categorically bar the introduction of derivative evidence resulting from coercive interrogation or even torture.
Out of the five cases reviewed by the Supreme Court in 2004 involving the privilege against self-incrimination, three of them involved the admissibility of derivative evidence of unwarned, yet otherwise voluntary, statements.
The Court, however, has never extended the Miranda exclusionary rule to cover derivative evidence obtained through the use of unwarned, yet otherwise voluntary, statements.
The Court determined that derivative evidence, such as the witness' identity, may be suppressed, but only if the police obtained it by infringing on the defendant's constitutional rights.
The exclusion is so broad that other derivative evidence of protected information has also been excluded.
The Scholarship of Poliziano and Its Context" describes a revolution in this second, philological style of reading, for Angelo Poliziano, the famous Florentine scholar, developed the modern method of arranging both manuscripts and historical sources genealogically in order to eliminate derivative evidence.
In its 2004 term, the Court heard arguments on three cases that involved the admissibility of derivative evidence obtained through the use of unwarned statements.
Additionally, the government must exercise great caution to ensure that it does not use immunized testimony in its possession to procure derivative evidence for use against the immunized declarant, including statements from co-accuseds.
In most jurisdictions,(12) transactional immunity is not required, and employees can still be prosecuted for criminal conduct discussed during compelled interviews, as long as neither the employees' compelled statements nor any derivative evidence is part of the government's case.