The pills were not sold at Spy Club and The Hub, authorities say, but instead snaked through a chain of dealers in Houston and other U.S. cities before being sold to consumers for about $20 per tablet. In fact, Spy was known for its intolerance of illegal drug sales, two people familiar with the downtown club scene said.
Sounds like they didn't like the competition or didn't want to jeopardize their investment in the club.