http://www.abcnews.go.com/GMA/story?id=7147841&page=1

At least 50 college aged men from 11 states have died in the past 10 years in what is now being called the “Smiley Face” mystery. Most of their deaths have been ruled accidental drownings, but two New York cops are questioning one eerie coincidence. At each of these crime scenes there is a smiley face painted somewhere. It's still unclear as to whether this is a coincidence or the work of some deranged serial killer.

Google Trends Community Contributor posted about 3 years ago