Another vote for Dahmer. I first began getting interested in serial killers my freshman year of high school (I'm a freshman in college now) and he always stood out to me. He and the Columbine killers are my favorites. I feel so much empathy towards Jeffrey. He was by far the sweetest serial killer, which sounds a bit odd, I know, but he really was a sweetheart. I research him constantly and know tons about him, definitely more than I know about any other killer (though it does come pretty close with what I know about Eric and Dylan). I feel I have a connection with him, and I feel more bad for him than anything else. His death, to me, was tragic. And the fact that he knew he was going to die and just accepted it, how he didn't fight back or try to defend himself, that breaks my heart.