Date: 10 Nov 1994
Shona Stevens was beaten to death with a hammer while coming home from the shops.
She was found in undergrowth with head injuries yards from the back door to her home in Middleton Park.
She had gone out to the shops in Bourtreehill and on her way back between 1pm and 1.30pm was attacked on a path that ran along the back of her home. It was heard that her attack had lasted for about eight minutes.
She was found in a field near the pathway which ran between Towerlands Farm Road and Middleton Park.
When she was found she was still alive, but unconscious, and she was airlifted to Southern General Hospital in Glasgow but died three days later. She never regained consciousness.
Shona Stevens had lived in Alder Green with her mother and seven-year-old sister.
The police said that they had not established a motive for the attack. They said that they interviewed more than 7,500 people in connection with her murder.
The police said that three men that had been seen in the area around the time of the murder were never traced, although the police added that they did not necessarily consider them as suspects.
The police said that they thought that her murderer was from the Irvine area, noting that the park was not the sort of place that a person just travelling through the town would have happened across. They also said that they thought that the murderer had probably confided in someone about the murder over the years.
No one was ever arrested.