Can a witness subpoena be served in the mail?

Yes, a witness subpoena can be served by mail in some jurisdictions, but this often depends on the specific rules of the court or the laws governing the case. Typically, the subpoena must be sent to the witness's last known address, and some jurisdictions may require additional steps, such as providing a copy of the subpoena and proof of service. It is important to check local laws and court rules to ensure compliance with service requirements.