While every violent crime is horrendous in its own way, there is something particularly chilling about cases where an entire group of people have their lives stripped away for them, and for the perpetrator to remain at large afterwards. How is it possible that crimes committed in broad daylight, where the innocent lives of numerous people are taken, can go unsolved? Sometimes it seems almost unfathomable, but in today’s video, we’ll be discussing just that, as we explore two horrific unsolved mass murders.