From a legal perspective, internal counsel may not be able to shield certain things as attorney work product. If an outside counsel is representing the firm the

From a legal perspective, internal counsel may not be able to shield certain things as attorney work product. If an outside counsel is representing the firm the attorney work product privilege is almost impenetrable (in US law). And the privilege can be asserted across all dealings around the investigation and the results. Any firm relying solely on internal counsel needs new counsel. Retainers are a thing.