Cheryl Gene Grimmer, then aged three, was kidnapped outside the change sheds at Fairy Meadow Beach on Monday 12 January 1970, where she was spending the day with her mother and ... reminded not to ...

Several markings were scratched into the NSW Police Wall of Rememberance in The Domain at about 3:15am on Saturday.

He said: "There are no words to describe the pain of losing a sister and the impact Cheryl's disappearance has had on our entire family. "Every day we are ... during a police interview in 1971 ...