In 1960 at the age of 17, Joseph Weygood began training in Victoria to become a Marist Brother. In those years, the Marists gave each new recruit a religious name, so Joseph Weygood became known to pupils as "Brother Cyril". He then taught during the 1960s (as Brother Cyril) at Catholic schools in Victoria and South Australia. In the 1970s, he ceased being a Marist Brother and later worked as a lay teacher in schools elsewhere in Australia and overseas. In 2019, aged 77, Joseph Weygood is involved in a court case, charged with child-sexual abuse relating to his time in South Australia in the 1960s. He is contesting the charges.
In 2018, South Australian Police began investigating complaints they had received about Weygood concerning his time as a Marist Brother in Adelaide schools. The investigating officer is Detective Katie Dalton.
After a preliminary hearing in a magistrates court, Weygood's case proceeded to the South Australian Supreme Court, where he entered a plea of Not Guilty. In August 2019, after some preliminary procedures in the Supreme Court, the Joseph Weygood case was scheduled to have its next mention in this court in December 2019. It is possible that the subsequent steps could extend into 2020.