Do you know this man?

I've had another think. I think the fact that my uncle was a criminal is critical when I'm thinking about my book. That might sound obvious but what I mean is, I think I need a narrative to show this because nobody's gonna be that interested in him unless they know exactly what he got up to
Not many people know a one eyed, alcoholic, drug addict, thieving, gangster who killed people and I think that's the kind of thing that makes him interesting