Kline, I read a little bit so far - he reminds me of John Gacy a bit, he 'recruited' boys to help him, also. I'll have a look at the thread, and also the various comments on his upbringing. So far I'm seeing a lot demonising of his parents, but not a single cited source for any of the comments about them. Which is pretty usual, in these cases.
There's something very 'off' about Dahmer's parents, is my honest opinion. I think neither are being 100% honest in that interview above. But it remains that his brother is a relatively normal individual - in a house so cruel as to 'create' a monster like Dahmer, why isn't his brother 100 kinds of messed up, too? Yet he seems to be leading a decent life.
In my own childhood there were lots of times when, like Dahmer, I'd take off for a quiet place away from home, somewhere I felt safe to vent my feelings. I remember having fantasies of what I'd do if I was in charge of "everything", too. But mine were hopeful, fantasies of a better life rather than rage or revenge most of the time. I also developed a laundry list of OCD and dissociative behaviours, passive ways to protect myself and gain a sense of control, rather than taking it out on animals and such. My only persistently destructive fantasies were usually aimed at kids who were cruel to me... I used to imagine I had a pet swarm of snakes that'd go around and sort them out. Oh dear...
Which is interesting, because if you look at all these men -- Dahmer, Dupas, Kemper, Percy -- the other thing they all have in common is that were bullied by other kids. But that's always mentioned as a by-the-by sort of thing. And recalling how much it affected me in my own childhood - which was far worse in terms of parental abuse than anything these men experienced - I have to wonder how much that bullying by peers contributed to the plethora of things which made them experience the urge to kill - and kill again.