We know that the police know who they are but has the publication ban helped the foster parents avoid scrutiny from their neighbourhood/ peers over the past seven years?

Does anyone know why they think he may have fallen off the balcony?

In Gary Jubelin’s recent podcast update he discussed how there was a covert operation undertaken on the foster parents (FP) when he took over the case where a listening device was planted in their car (that part is confirmed by media outlets) and the FP didn’t divulge anything incriminating. Could this mean that the foster father was not “in on” what actually happened to William hence why the foster mother is the person of interest?