| There could be no mistaking the opinion of the crowd as to Mr. Frick and the Pinkertons. |
| The Scots-born Pinkertons were the most famous detectives in the world. |
| His strong financial background and his experience with Pinkertons and American Protective Services, Inc. |
| Pinkertons might have been the top detective agency but it wasn't without its mistakes. |
| Two strikers were killed, twelve wounded, along with two Pinkertons killed and eleven wounded. |
| The aid of the Pinkertons and of countless private detective agencies was called in, and in addition to this thousands were upon our payroll. |
