In the search for hard-to-find bottles of bourbon at Virginia ABC stores, some liquor enthusiasts have been worried about leaks of a more serious kind.

Employees of the government-run liquor monopoly would have access to highly valuable inside information about which products were going where, and the system could lead to some buyers getting tipped off early about stores that would be selling rare bottles of Blanton’s, Buffalo Trace or other brands, many bourbon collectors complained.