The woman,who cannot be named,is accused of assaulting a child who is not William. She will apply to have the charge dismissed on mental health grounds.
The couple,56 and 54,are before a Sydney court on an allegation of common assault of a child,who is not William and has nothing to do with his disappearance.
Police say they remain committed to finding William Tyrrell but will finish the latest search for his remains soon.
Outgoing police chief Mick Fuller has doubled down on criticism of the William Tyrrell investigation under Gary Jubelin,saying Mr Jubelin illegally recording a suspect is what got him removed from the case.
Police say they are happy with how the search for William Tyrrell’s remains is progressing,despite wild weather hampering investigations.
The fabric has been taken away for forensic testing as about 30 police operational support officers are replaced by a new team on Sunday morning.
Installed at the helm of the investigation into what happened to William Tyrrell two years ago,Detective Chief Inspector David Laidlaw has spent more than a decade in homicide and has built a reputation as a quiet achiever who gets on with things.
An extraordinary turn in the seven-year investigation has brought police full circle – back to a person of interest who was ruled out years ago.
Specific new information led investigators to a five-metre patch of bushland. Police on Friday were pumping water from a nearby creek,despite inclement weather that threatens to halt the search.
Today on Please Explain,crime reporter Sally Rawsthorne joins Rachel Clun to discuss how the investigation has narrowed to focus on a small patch of land in Kendall.
The woman’s evidence is under new scrutiny as police investigate whether William fatally fell from a balcony on the Mid North Coast in 2014.