Must be nice being able to go.
Please be very careful and be very wary of anyone suspicious and anyone that appears under the influence of alcohol.
For more in detail info about this situation, please visit: http://www.cosplay.com/showthread.php?t=284913
And if you can, please spread the word and reblog this if you know anyone going to Anime Expo in LA this weekend!
Be careful, stay in a group, always have a way of contact. If worse comes to worst, be sure you can defend yourself!