Frito-Lay is warning consumers to watch out for fake free bags of Doritos coupons being distributed via email. If you are an unsuspecting victim of this subterfuge and receive the coupon in your inbox, watch out! You might get to check out and not be able to get a free bag of Doritos with a value of up to $5. Here’s how you spot the real deal and the phonies, just like Holden Caulfield:

Frito-Lay says, “The counterfeit coupon was not created, authorized or distributed by Frito-Lay, and Frito-Lay has notified retailers of this fraud and is working with authorities to identify the source of the fraudulent coupon.”

Q. Is this $5 Doritos Coupon valid? A. No. [Frito Lay]

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