Detectives are hunting a man who has been acting suspiciously at fast food outlets across Perth while seated near young children.
Police fear the man may be recording children and may have also indecently exposed himself to them.
In the past month the man has gone to several fast food outlets during the day and sat near young children.
Police say he has been placing a cardboard box on the table and it is possible there was a recording device inside.
In some cases it is believed he may have indecently exposed himself to the children also.
The incidents have occurred in Warnbro, Ellenbrook, Spearwood, O'Connor, East Perth, Halls Head and Cannington.
Police have released CCTV images of a man they wish to speak to as part of their investigation.
The man is described as fair skinned, 175cm tall with a medium build and short grey hair.
During the incidents he was wearing a long sleeve top, shorts, work boots and a distinctive wide brimmed hat with duct-tape around it.
Police would like to speak to anyone who may have encountered the man or seen him acting suspiciously.
Anyone with information is asked to call Crime Stoppers on 1800 333 000.