To many, there is a fundamental conflict between the Fourth Amendment to the U.S. Constitution that guarantees against unreasonable searches and seizures and California’s implied consent law, at Vehicle Code § 23612(a)(1)(A), which conditions the privilege to drive upon agreeing to submit to a breath or blood test upon reasonable request by a police officer. What if one refuses to submit to such a test? Can the police draw blood without a warrant? If so, under what conditions? Click on the following link to find out.