The secret distillery behind Costco's Kirkland Bourbon

Costco's Kirkland Signature bourbon has a loyal following, a low price, and a label that says almost nothing about where it came from. We look at who really makes it, how private-label whiskey gets on store shelves, and what sourced bourbon means for quality, value, and transparency. Sometimes the best bottle on the shelf is the one with someone else's name behind it.