Return of Items from Security Checkpoints

A method, comprising the steps of:

• in a computer with a processor and nontransitory memory, generating a plurality of accessor codes, and storing individual generated accessor codes in corresponding records of a database;
• in the computer, instructing an output device to generate media each to bear one of the stored accessor codes, the generated media comprising two components frangibly joined, one component designed for permanent affixation to an empty envelope, the other component designed to be torn from the envelope and to be carried away from the security checkpoint by a passenger, the generating instructions programmed to direct the output device to generate the accessor code in computer-readable form on both the permanently affixed component and the component to be torn away;
• in the computer, receiving one or more internet messages, the message content indicating that a customer seeks to initiate a parcel shipment, the message content indicating an envelope accessor code from an envelope, the envelope with its affixed accessor code having been prepositioned at a security checkpoint where forbidden items must be surrendered and having been prepared with the accessor code accessible via smartphone reader, the delivery initiation message having been triggered by a smartphone having accessed the accessor code of the envelope;
• in response to receipt of the initiation message(s), via the computer, sending messages to request payment information and personal contact information from the smartphone;
• in the computer, prepopulating delivery address information of the database record of the received accessor code with address information associated with payment information received from the smartphone, and to exchange messages with the smartphone to confirm or modify the delivery address information;
• in response to receipt of the payment and delivery address information, sending internet messages with content instructing retrieval of the envelope from the security checkpoint where the envelope was tendered by the customer;
• and
• in response to receipt of the payment and delivery information, to sending internet messages to a delivery shipper, content of the messages providing the payment and delivery information to the delivery shipper, to arrange shipment of the envelope by a delivery shipper and delivery to an address specified by the delivery information.