Graham Power, the most senior officer in the force, was suspended after Deputy Chief Officer David Warcup disputed evidence collected and said there were no suspicious deaths at former children's home Haut de la Garenne.
"There is no suggestion there has been murder or any bodies destroyed," said Mr Warcup.
The comments sparked a political row on the island, with Deputy Andrew Lewis, the Home Affairs Minister, attacking officers' conduct.
Announcing an independent investigation would be launched, he said: "It is evident that we didn't receive all the information about the historic abuse inquiry that we should have received, and that some aspects of this critically important police investigation have not been conducted properly." More...