Sinsinawa

That is the correct spelling. A nationwide network of gangs killing male college students when they walk home from bars. They are so clever as to leave little evidence, however they forgot that a drowning victim will usually lose his or her shoes.

They left a smiley face behind as evidence also. It is a very weird case. Here is a link to provide more info...

Link: Smiley Face Killers

http://209.157.64.200/focus/f-news/2007449/posts?page=6