Couple living in a beachside Australian suburb claim to have been sent anonymous letters from one of their neighbours for the past 21 years - addressing everything from mowing their lawn more often to where they should be parking their car.
A week after Gary and Lindsay Thomson moved into their home in Hillarys in Perth's northern suburbs in 2000 they began receiving 'abusive' letters from 'the same anonymous person', who has 'continually attacked' them.
The typed letters, delivered in a hand-written envelope and always signed 'a concerned resident' relentlessly lecture the couple.
Gary and Lindsay Thomson, who live at Hillarys north of Perth, claim to have received creepy anonymous letters for over 20 years lecturing them about the look of their home. Some of the letters are pictured
The 'concerned' local delivered the letter to the new arrival in the affluent waterside suburb of Hillarys on Perth's north coast (pictured)
'It goes on and on... we just want it to stop,' Mr Thomson told The West Australian.
The letters instruct the Thomsons to 'clean and tidy' their yard and to 'mow the lawn and weed the garden'.
Mr Thomson said he believed all the letters had come from the same person.
The sender had also complained to local authorities about how the Thomson's car was parked.
Recently the Thomsons were delivered a bill for mowing the lawns of a nearby rental property they had no connection to.
The median property price in the glamorous Perth suburb of Hillarys over the last year is $896,000 for houses and $515,000 for units
He said the 'concerned resident' arranged for a gardening contractor to mow a rental tenant's lawns and weed their garden.
The rental property manager was told the invoice for the gardening should be put in the Thomson's letterbox.
'I eventually explained to the agent that they were welcome to visit and see the numerous abusive anonymous letters and suggested the letter sender was the
