https://www.vice.com/en_us/article/dy38vz/cyber-the-dea-is-skipping-warrants-and-buying-data-from-rogue-employees

In America, no one can protect you from a transportation employee being paid off by the feds. 

The Drug Enforcement Agency has a single remit: to prosecute America’s long-failed war on drugs. Joseph Cox is on today’s episode of Cyber to talk about one its shadier practices and the senators who want answers from the Department of Justice. It turns out that the DEA has been paying Amtrak and commercial package companies to act as informants and supply data on customers without having to get a warrant.