To prove that a pickpocket can be ANY type of person, I found a very interesting article about a pickpocket gang... made up of middle-aged and elderly women.

Sterling Heights, MI, 'Mad Hatters': Female Pickpocket Ring Allegedly Steals $500,000
[...]
Police in the tony Detroit suburb say an all-female criminal ring, made up of middle-aged and elderly women, are running a sophisticated con in which they allegedly pick the pockets of unsuspecting shoppers and use the stolen credit cards elsewhere.
[...]
Nicknamed the "Mad Hatters," the ring is made up of at least six women who frequently wear hats to disguise their identities and have allegedly swiped more than $500,000 in the past year and half, authorities say.

One bank alone estimated it had lost at least $200,000 at the hands of the hatters.
[...]

More on ABC News

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So next time you go to the mall, maybe you'll look differently at that sweet old lady buying peppermints...!