the horse , charly , was patrolling venice beach with his minders on tuesday when the vandalism incident occurred .
it was broad daylight , and somehow the person managed to spray charlie without the handlers seeing - a move that taggers pride themselves on , but police are still trying to find the person responsible .
anyone wishing to remain anonymous can call crime stoppers at 1-800-222-tips -lrb- 800-222-8477 -rrb- .