§ 102-74.400 What is the policy concerning the possession and use of narcotics and other drugs?
Except in cases where the drug is being used as prescribed for a patient by a licensed physician, all persons entering in or on Federal property are prohibited from—
(a) Being under the influence, using or possessing any narcotic drugs, hallucinogens, marijuana, barbiturates, or amphetamines; or
(b) Operating a motor vehicle on the property while under the influence of alcoholic beverages, narcotic drugs, hallucinogens, marijuana, barbiturates, or amphetamines.
https://www.ecfr.gov/current/title-41/subtitle-C/chapter-102/subchapter-C/part-102-74/subpart-C
A DNA test must be done on the baggie. Ridiculous when they say they will never be able to identify who placed it in the White House. Let’s see who’s DNA matches.