"Pickpocketing" refers to the act of secretly stealing someone's belongings, usually from their pockets or bags, without their knowledge or permission. Full definition
In terms of security, Europe is relatively safe but beware of pickpockets in cities such as Barcelona, a money belt or hidden wallet is a good way to prevent theft of your cash and valuables. (gapyeartravelstore.com)
Specifically, he was one of a gang of twenty teenagers and thirteen young adults from Chicago's vast, grim Robert Taylor Homes public housing project arrested for pickpocketing at Churchill Downs in Louisville on Kentucky Derby Day. (firstthings.com)
If you're new to Barcelona, be aware of pickpockets in the area, and also like any other city or tourist trap, this is the area where the prices are at the highest. (catalonia-valencia.com)