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

A new lawsuit accuses Costco of selling “falsely labeled and marketed tequila” under the company’s Kirkland Signature brand. ...

A class action lawsuit alleges Costco's Kirkland Signature brand tequila falsely claims it's made with 100% Blue Weber agave. Shoppers pay premium prices for tequila with this designation and may not ...

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" ...

Two recent lawsuits claim Costco sells tequila made from inauthentic ingredients, despite labels claiming to be distilled from 100% blue agave.

A new class action lawsuit filed last week alleges that Costco knowingly sold customers lower-quality tequila than it had ...