A murdered toddler should be alive if social companies had given police extra information, a misconduct panel has heard.
Riley Siswick, three, was discovered useless at his residence in Huddersfield in February 2016.
Det Ch Supt Nick Wallen mentioned Kirklees Council ought to have instructed police of one other incident which occurred earlier than Riley died.
That incident can’t be reported for authorized causes.
Det Ch Insp Mark Swift and Det Insp George Bardell allegedly did not appropriately supervise the primary investigation into Riley’s dying, which didn’t end in a prosecution.
PC Oliver Scoones is alleged to have tried to affect a witness.
A autopsy examination confirmed Riley died after his bowel was ruptured.
Det Ch Supt Wallen led a later investigation which led to Kyle Campbell, the accomplice of Riley’s mom Kayleigh Siswick, being jailed for all times for murder.
Siswick was sentenced to seven years for inflicting or permitting the dying of her son, who suffered a “slow and painful death”.
Det Ch Supt Wallen mentioned Kirklees social companies’ information-sharing about Riley’s household made him “distinctly uneasy” about misconduct proceedings towards the police officers.
He mentioned the council had badly let the unique officers down.
An incident earlier than his dying, identified about by social companies however not reported to police, would in all probability have led to Campbell and Siswick being arrested earlier, he mentioned.
Det Ch Supt Wallen mentioned if his colleagues had been given the information his personal workforce was given, they might have reached the identical final result.
“I have absolutely no doubt, because I know these officers personally,” he mentioned.
He mentioned Mr Swift was “inspirational” and “exceptional”.
But the panel heard that the officers had been given information which ought to have been a “red flag” to a suspicious dying.
The listening to continues.