This was located in Surrey
but can also be used in other places.
"Burglars are scribbling chalk marks outside homes to let fellow criminals know which properties to target.
The symbols - dubbed 'the Da Pinchi Code' - may indicate that a home is wealthy, has already been burgled or may have nothing worth stealing.
Police have revealed the signs are being drawn outside sprawling homes in advance of them being targeted by criminal gangs. "
Read more:
http://www.dailymail.co.uk/news/arti...#ixzz0YpVya0XI