The conversation between human and AI assistant.
Shipping: How does a shipper (USPS, UPS, FedEx) detect if illegal items (narcotics, explosives, etc.) are being mailed?
How effective are these methods in detecting illegal items?
While no system is foolproof, these methods are very effective at catching most illegal substances. In fact, shipping companies work closely with law enforcement agencies to share information and identify new detection methods.