Conor Gibson has been accused of murdering and sexually assaulting his sister Amber Gibson His body was found in a park.
Conor Gibson, 19, appeared in Hamilton A sheriff was charged with a court Friday with murder, sexual assault by penetration and attempting to pervert the course of justice.
He did not make any appeal and was placed in pretrial detention pending a court appearance again.
Amber, 16, left her home in the Hillhouse area of Hamilton, South Lanarkshire At approximately 9.15pm last Friday, she was reported missing later that night.
Her body was discovered in the town’s Cadzow Glen park at about 10.10 a.m. Sunday.
A police watchdog has ordered an investigation into Police Scotland’s handling of the case, which is understood to relate to the investigation of the missing person.
A spokesperson said: “The Crown Office and the Attorney’s Public Finance Department have instructed the Police Investigations and Audit Commissioner to investigate the circumstances that led to the death of a 16-year-old girl in Hamilton.”
A Police Scotland spokesperson said: “Police Scotland will fully cooperate with the Urgent Response Centre’s investigations.”