![Dog thieves are using colour codes and post notes to mark their next target | Nature | News | Express.co.uk Dog thieves are using colour codes and post notes to mark their next target | Nature | News | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/128/590x/602776_1.jpg)
Dog thieves are using colour codes and post notes to mark their next target | Nature | News | Express.co.uk
![Chalk marks outside dog owners' homes spark major panic after rise in pet thefts - Cambridgeshire Live Chalk marks outside dog owners' homes spark major panic after rise in pet thefts - Cambridgeshire Live](https://i2-prod.cambridge-news.co.uk/incoming/article18702970.ece/ALTERNATES/s1200d/0_Cottenham-puppies-3.jpg)
Chalk marks outside dog owners' homes spark major panic after rise in pet thefts - Cambridgeshire Live
![Secret 'burglar's symbol' appears on houses leaving residents terrified they're targets - Mirror Online Secret 'burglar's symbol' appears on houses leaving residents terrified they're targets - Mirror Online](https://i2-prod.mirror.co.uk/incoming/article26684351.ece/ALTERNATES/n615/0_STO_Beville-Street-in-Fenton-03.jpg)
Secret 'burglar's symbol' appears on houses leaving residents terrified they're targets - Mirror Online
![Kids foil dog thieves by removing secret signs left outside homes round their neighbourhood | The US Sun Kids foil dog thieves by removing secret signs left outside homes round their neighbourhood | The US Sun](https://www.the-sun.com/wp-content/uploads/sites/6/2020/08/DD-COMPOSITE-DOG-TAGS-1.jpg?strip=all&quality=100&w=1500&h=1000&crop=1)
Kids foil dog thieves by removing secret signs left outside homes round their neighbourhood | The US Sun
![Lothian dog owners warned of thieves after mysterious chalk marks and pebbles left outside homes - Edinburgh Live Lothian dog owners warned of thieves after mysterious chalk marks and pebbles left outside homes - Edinburgh Live](https://i2-prod.edinburghlive.co.uk/incoming/article18893143.ece/ALTERNATES/s1200/0_chalk-1.jpg)
Lothian dog owners warned of thieves after mysterious chalk marks and pebbles left outside homes - Edinburgh Live
![Somebody came down our street today putting these chalk marks outside some driveways - anyone know what they're for? : r/perth Somebody came down our street today putting these chalk marks outside some driveways - anyone know what they're for? : r/perth](https://preview.redd.it/tpzjy9romhk71.jpg?width=640&crop=smart&auto=webp&s=38957b8f5b4be415a94d8cd0200d5d41b319f374)
Somebody came down our street today putting these chalk marks outside some driveways - anyone know what they're for? : r/perth
![PROTECT ALL WILDLIFE on X: "Dog owners warned of dog thieves after mysterious chalk marks appear outside homes!! https://t.co/nUU8zxRi31 https://t.co/gW6lTVjIf2" / X PROTECT ALL WILDLIFE on X: "Dog owners warned of dog thieves after mysterious chalk marks appear outside homes!! https://t.co/nUU8zxRi31 https://t.co/gW6lTVjIf2" / X](https://pbs.twimg.com/media/Eel1PraWkAU9uOC.jpg)
PROTECT ALL WILDLIFE on X: "Dog owners warned of dog thieves after mysterious chalk marks appear outside homes!! https://t.co/nUU8zxRi31 https://t.co/gW6lTVjIf2" / X
![Secret symbols chalked on walls spark fears burglars are about to target homes in town - Staffordshire Live Secret symbols chalked on walls spark fears burglars are about to target homes in town - Staffordshire Live](https://i2-prod.stokesentinel.co.uk/incoming/article6797775.ece/ALTERNATES/s615/275661120_1026820317911368_6846969069532044690_n.jpg)
Secret symbols chalked on walls spark fears burglars are about to target homes in town - Staffordshire Live
![Stoke residents fear mysterious chalk markings are scrawled on homes are code used by dognappers | Daily Mail Online Stoke residents fear mysterious chalk markings are scrawled on homes are code used by dognappers | Daily Mail Online](https://i.dailymail.co.uk/1s/2022/04/11/14/56475435-0-image-a-84_1649682892932.jpg)
Stoke residents fear mysterious chalk markings are scrawled on homes are code used by dognappers | Daily Mail Online
![Chalk marks on Wallington home feared to have been left as secret code for burglars - Croydon Advertiser Chalk marks on Wallington home feared to have been left as secret code for burglars - Croydon Advertiser](https://i2-prod.croydonadvertiser.co.uk/news/croydon-news/article1021621.ece/ALTERNATES/s615b/chalkmarkings.jpg)