How does US law enforcement test for tobacco use?

Tobacco use? Like, whether you've had a Marlboro or not? The only way currently available would be to request a blood sample for analysis at a crime lab. read more

Federal law does not preempt the enactment of state or local policies prohibiting tobacco use in schools. Nevertheless, some state laws that prohibit smoking in educational facilities may preempt local laws on the subject. read more

It also administers the federal laws and regulations that protect consumers. Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF) - enforces other federal laws and regulations relating to alcohol, tobacco, firearms, explosives, and arson in cooperation with other federal, state, local, and international law enforcement agencies. read more