Pass an unresolved customer request to a support person with the original message and context needed to follow up.
Pass unresolved service cases to specialists with the customer's history.
Your specialists get the customer's request and a clear next step, while former owners know who took over the case.
Pass unresolved service cases with the earlier troubleshooting.
The next support person gets the full email history and attachments, while your first responder knows who took over.