Tests found that some of the Kirkland-brand tequilas were so adulterated they didn’t even qualify as tequila under Mexican law, according to the suit.

(NEXSTAR) – A new lawsuit accuses Costco of selling “falsely labeled and marketed tequila” under the company’s Kirkland Signature brand. The complaint, filed in Florida in late October on behalf of ...

For millions of Americans who enjoy a smooth pour after a long day or raise a glass with buddies on the weekend, Costco’s Kirkland Signature tequila has become a go-to choice. Big bottles, fair price ...

It's no secret: We're big fans of Costco. Known for their bargain prices on surprisingly high-quality goods, it's easy to save money buying anything from groceries to outdoor furniture. By producing ...

MIAMI — A Florida woman has filed a class-action lawsuit against Costco Wholesale Corporation, claiming the retail giant's Kirkland Signature tequila line falsely advertises itself as "100% agave" ...