The Internet has revolutionized how we interact with people. Anyone with a computer and high-speed connection can log onto a social network site and create a profile, exposing their private life for the entire World Wide Web to view. But as these online communities become a primary channel of communication among family and friends, it’s also becoming the go to outlet for serial killers, sexual predators, and other people of shady character. So before you accept a stranger's friend request or talk smack on someone's Facebook wall—think twice. What you type may be difference between life and death. Log on and take a look at 25 Real Life Social Networking Murders.