Assassination Trivia

[AussieMick]

No, Roger, sorry (and thanks to Eva for being honest and warning me about the need to change the picture slightly).

This man did have some involvement with the military early in his career. But that may be a red herring.

His surname has one 'r' (some might be surprised).

None of the following is much help but interesting I hope ... He made a living in the same line of work as his father (German-born, I see). Strangely though his father sent him away to learn the trade in another city (Richmond).

If Eva, who knows the name, wants to try adding a clue she is more than welcome (because I am going to struggle)