The Federal Trade Commission has filed a lawsuit against a ticket resale company, alleging that it used illegal methods to secure tickets and resell them at inflated rates for popular concerts, including Taylor Swift’s Eras Tour.

The agency sued Maryland-based Key Investment Group, alleging that the company violated the BOTS Act to obtain thousands of Eras Tour tickets and resell them for millions of dollars.

The US Federal Trade Commission sued ticket reseller Key Investment Group for evading purchasing limits to buy up thousands of tickets to live events including Taylor Swift’s Eras tour and resell them at a markup,