| Clue | Source | Date |
|---|---|---|
| Department store staffers | New York Times | 04 Jul 2019 |
| Store workers with guns | Wall Street Journal | 07 Mar 2019 |
| Department store staffers | ||
| Store workers with guns | ||
| Comparison shoppers | ||
| Supermarket employees | ||
| Some grocery store workers | ||
| Wholesalers | ||
| Setters of values. |