What do these chalk symbols drawn outside my house mean? : r/whatisthisthing
Keytek Locksmiths Blog - House Robbery Markings
Residents fear chalk markings outside properties may designate burglary threats
Robinson-Solutions Professional Window Cleaning: Those Chalk Symbols Outside Homes
Using Annie Sloan Chalk Paint™ Outside. - Chalk paint in the Deux Sevres
Are These Symbols Part of a Burglars' Code? | Snopes.com
Sidewalk chalk children house hi-res stock photography and images - Alamy
Secret symbols used by burglars spook residents in North Wales town - North Wales Live
The criminal chalk marks - including an X for 'good target' used to stake out homes for burglary | Daily Mail Online
A coloured chalk drawing on the ground outside a house, representing items of harvest, is overlaid with pumpkin, Fresh turmeric and sugar cane, as par Stock Photo - Alamy
Residents 'petrified' as mysterious chalk markings appear on homes across town - Mirror Online
Stoke residents fear mysterious chalk markings are scrawled on homes are code used by dognappers | Daily Mail Online