On September 29, 1972, Gaetana "Donna" Serra, a 17-year-old White / Caucasian female, disappeared from St. Clair Shores, Michigan. It was a rainy Friday afternoon when she was last seen outside South Lake High School where she was a student. Reports indicate she had briefly spoken to her sister, Kathy, before vanishing. While some initial theories suggested she might have been hitchhiking—a common practice for teenagers at the time—to visit a beach on Lake St.
Clair, she never arrived at her destination and failed to return home, sparking a frantic search by her family and local authorities.
Three weeks later, on October 20, 1972, the search came to a tragic conclusion when pheasant hunters discovered her body in a shallow creek in Ray Township, located in northern Macomb County. She was found fully clothed in the same attire she had worn on the day she vanished: blue jeans, a blue and white top, and brown hiking boots. The subsequent investigation and autopsy revealed harrowing details about her final days. Authorities determined that she had been held captive for several days after her abduction. Toxicology reports indicated the presence of barbiturates in her system, suggesting she had been drugged during her confinement. The cause of death was determined to be strangulation, reportedly committed using a lace from one of her own boots.
Despite the brutal nature of the crime and decades of investigation, the murder of Donna Serra remains unsolved. Over the years, detectives have explored various leads, including potential connections to other high-profile crimes in the region, such as the Oakland County Child Killer cases that occurred in the years following her death. Some investigators theorized that the perpetrator might have had military connections or left the area shortly after the crime, contributing to the case going cold. Although official inquiries have remained open and law enforcement has periodically reviewed the evidence, no specific suspects have been charged, tried, or convicted in connection with her death, leaving the case as an open homicide investigation.
