The District needs an anti-corruption top cop to prevent runaway fraud, a scathing recap of the city’s worst ever public corruption scandal has recommended.

Disparate agencies caught glimpses of what would eventually emerge as a $48 million rip-off in the city’s tax office, but none of them was working together, auditors at WilmerHale reported in their long-awaited report on the Harriette Walters tax scam. Among the 123-page report’s recommendations was the creation of an independent oversight committee.