1. Check the logo on the package: Check the logo and contact information of the courier company on the package. If you have a contact number, you can call the customer service phone of the courier company for consultation. If there is information about the sender on the package, you can contact the sender and ask about the specific situation and source of the package.
2. Consult the local courier agency: If you know that the parcel was sent through the courier agency, you can go to the agency for consultation to find out the source and related information of the parcel.
Report to the police: If you suspect that the courier has a security threat or is involved in illegal activities, you can refuse to report to the local police, and the police can assist in the investigation and provide relevant help.