field testing

Drug field testing should not be used to justify pretrial detention nor a conviction, says Fairfax criminal lawyer. Drug field testing is used by police to claim probable cause to search and arrest suspects, and by prosecutors for making pretrial detention/bail/bond arguments, and by Virginia...

Fairfax criminal lawyer on startling affirmance of car search after skipping field testing of suspected cocaine. Skipping field testing of suspected unlawful drugs does not automatically preclude a vehicle drug search in Virginia, as learned on in the Virginia Supreme Court's recent case of...

Marijuana field testing is junk science. As a Virginia criminal lawyer, I say so, because even a drug chemist's testimony is subject to reasonable inquiry and sometimes attack, even when the chemist is completely legitimate with his or her credentials and honesty.

Using police drug sniffing dogs is fraught with unreliability. as further addressed here, here, and here. Despite this unreliability, Virginia law poses substantial hurdles to a criminal defendant's obtaining by a records subpoena data about the training and performance of the case's drug dog. Fortunately...

Drug detection is about chemistry, and even prosecutors' chemists -- with a never-ending stream and often backlog of alleged drugs to test while still testifying in court -- can get drug testing wrong, particularly with being challenged by mental and physical exhaustion with their heavy...