Huge shoutout to these employees who showed caution and care for the customers. Their intervention may have prevented something truly terrible from happening.
You can find various online sources. However, Wikipedia claims that in addition to the regular "business" of housing POWs during the Civil War, there were horrible things that took place here during that time.
The Texas man did try to reach out to Buc-ee's to see if they wanted to work together on this, but he received zero response. So, he decided to do it himself.