There is no question that social media brings people together - from making friends, to finding romance, to selling a car, these online communities have become a major fixture in our day to day interaction and have served to unite people from all walks of life. However, with more and more people meeting online, there becomes an even greater risk for these cyber connections to turn deadly. In this chilling episode of True Hollywood Story, E! documents several horrific crimes that began on social media and ended in tragedy.