Homeowners' urgent warning as burglars' secret creepy symbol scrawled on wall | The Sun
The Burglars' Code: Criminals chalk messages which pinpoint targets for other villains | Daily Mail Online
Burglar Symbols chalked on houses in Spain. Innocent looking bit of graffiti or unobtrusive marking on a wall or pave… | Hobo signs, Steel signs, Livestock branding
Wealthy and vulnerable: Coded chalk symbols used by burglars in London
Suspicious chalk markings spark burglary fears on Portland - but turn out to be made by a running club | Dorset Echo
criminology - Are "burglar codes" used to target homes for crime? - Skeptics Stack Exchange
Organised_Chao5 on X: "These chalk markings have been spotted on walls outside some of the houses on my road. My house is one of them Apparently some networks of burglars use chalk
Chalk it up to experience: burglary warning over the 'Da Pinchi Code'
List of signs and symbols believed to be used by BURGLERS emerges online | UK | News | Express.co.uk