Former lead detective on the William Tyrrell investigation Gary Jubelin is in court, accused by his former peers of illegally recording a person of interest in the case.

In this episode we hear about how Jubelin was conducting the investigation, including some theories on what may have happened not previously stated publicly before.

The names of William's foster family and the postwoman involved in the AVO against Paul Savage have been censored.

A reminder that Heather, who is mentioned several times, is the name of Paul Savage's late wife.

If you know anything that can assist with solving this case, please contact police or Crimestoppers on 1800 333 000

See omnystudio.com/listener for privacy information.