### Clue: Fact-finding body in full flow about Trojan 'ero (12)
### Answer: INSPECTORATE 
 ### Explanation: Definition: Fact-finding body
 IN + SPATE(a fast flow;a sudden outpouring) **containing**(about) "Hector"(the mythological Trojan prince who was a hero of the Trojan War) **minus "h"**(as in " 'ero").