Thankfully neither I, nor any of my friends have been assaulted in any form at ACEN thus far, but I've definitely noticed things becoming more "out-of-control" in recent years.
Our first year attending, we also left the rave within minutes. This past year, someone tried to grind against one of the younger members of our group (around 15 yrs old), so we left immediately, and took the fastest path back to our hotel.
I also recall during ACEN 09, on Sunday a group of young men, aged approximately between 20-23, entered the dealers room on Sunday, and came up to us asking "Hey...when's the masquerade?" we responded that it had been the day before, and the group of them proceeded to laugh, but very loudly proclaimed something along the lines of: "Dude, we missed it. Wish we hadn't been hung-over all day yesterday."
Although nothing bad happened to myself or my friends during this encounter, it struck us as surprising that this sort of activity went on at a convention (we were pretty clueless...), in more recent years, I've noticed a larger number of age 20-something guys (they do not deserve the respect entailed with being referred to as "young men") hitting on younger girls, even when they may be dressed as obviously male characters. (Although cross-players do seem to be safer, if they are convincing enough...)
So, yes, I think the "predator" numbers are increasing, and I see no real solution to this issue, but there are some simple tactics that can help anyone avoid getting assaulted or groped: STAY IN A GROUP. Or at least with one other person who appears to be physically strong, or cranky, or mean, or even taller than you are. (And, if someone wants your picture, try to have preplanned a picture pose that you can do with this friend traveling with you. If the other person (potential predator) wants in the picture, tell them how to pose, and if they get difficult, leave.)
I would not recommend going to the rave by yourself, regardless of what gender you may be. As I stated before, even being accompanied by one other friend will make you that much less of a target. Also, make sure to obviously be in conversation with someone. If you are staring off into the blue, or looking around, you might come across as looking lost, which makes you seem like that much more of a target. (and don't be afraid to snub someone if in conversation they act or say something that strikes you as intrusive or inappropriate. If you act cranky and use a lot of big words, sometimes they back off. [<---I have done this many a time. It works pretty well.] just make sure to sound like you know what you are saying. {also, not to insult the intelligence of others, but if someone is behaving inappropriately, they are welcoming the insult to their intelligence.}]
This is the only advice that I can give. My apologies in regards to the long, tedious rant.
This post has been edited by Inkwell09: 14 August 2011 - 11:39 PM