A secondary school teacher is convicted of murdering and sexually abusing a 13-month-old boy who he was adopting with his boyfriend, according to multiple reports. The outlets describe the case as involving both sexual abuse and the child’s death while the adoption process was underway. The conviction relates to the teacher’s conduct toward the child during the period when the couple had custody as part of their adoption plans. The reports also state that prosecutors and court proceedings included information about the child’s background, including references to the boy’s biological mother. While the details of the biological mother’s circumstances are not described consistently across the provided excerpts, all accounts treat her criminal history as part of the broader case narrative presented in court. The sources do not provide further information in the supplied text about sentencing outcomes, specific evidence, or the legal reasoning used by the court beyond the final verdict. The coverage is unified in asserting the guilty verdict and the combination of charges involving sexual abuse and murder of the adopted child.