Randomly? No. If there is suspicion (read: probable cause)? Absolutely. https://www.uspsoig.gov/document/packages-suspected-containing-marijuana https://www.us

Randomly? No. If there is suspicion (read: probable cause)? Absolutely. https://www.uspsoig.gov/document/packages-suspected-containing-marijuana https://www.uspsoig.gov/document/packages-suspected-containi...