No name given=real name is likely Mohammed or Demarcus.
Of course you can’t be certain.
The 23 year old woman is said to originate from Geneva, IL.
According to the Wikipedia entry for the community (http://en.wikipedia.org/wiki/Geneva,_Illinois#Demographics), it is a small, fairly wealthy town in the western suburbs of Chicago. The population is 95% white according to the census. Median annual household income is $95K.
This is starting to sound like fantasy role players hooking up to carryout an apocalyptic massacre. Maybe a scaled up Sandy Hook type killing spree???