They believed his threats to be serious enough to contact the police.
On January 29 this year Dunning was arrested and bailed with extremely strict bail conditions to remain at home overnight and not to go to Robertsbridge.
Dunning was arrested and put before Woolwich Crown Court charged with four counts of the offence although denied that he would carry them out.
Detective Superintendent Nick May, who led the investigation, said: "The priority for us was always the safety of the children and we did everything in our power to make sure Dunning adhered to his strict bail conditions."We worked closely with East Sussex County Council and the relevant head teachers to put measures in place so that no pupils were at risk while an investigation was carried out."Dunning indulged in elaborate planning which included extensive internet searches and visits to Robertsbridge.
Our close working with ESCC was focused on keeping the children safe and prevent Dunning from carrying out this threat, I know we did everything within our power to work with the schools to protect the children."I am relieved he has been found guilty for everyone's safety and thank the council, schools and Sussex Partnership NHS Foundation Trust for their work and support."Dunning will be sentenced on November 25.
A Hastings man who fantasised about serial killers has been found guilty of making threats to kill children in Robertsbridge.
Zachary Dunning, 19, unemployed, of Athelstan Road has been found guilty of making threats to kill children at two schools in Robertsbridge.
The chimneys are swept and the lights will be turned on to welcome Father Christmas to his castle grotto in December.Make a day out with the family with a traditional Christmas lunch and a castle visit.