The anonymized form is only for the "automatic" reports without anyone asking. The authority can request — §26(2) — the data (= non-anonymized) at any point based on without any requirement for a specific reason.
That said, "the authority" is not necessarily the police or public prosecutor; the determination who does this is left to the federal state (who might make it the police/prosecutor, or not…) — presumably if they're not "the authority" themselves, they would have to ask "the authority" to forward it.
That said, "the authority" is not necessarily the police or public prosecutor; the determination who does this is left to the federal state (who might make it the police/prosecutor, or not…) — presumably if they're not "the authority" themselves, they would have to ask "the authority" to forward it.