The most baffling cases. The most bizarre killers. What drives acts of evil? “Twisted Killers,” premiering Thursday, January 6 at 9/8c on Oxygen, tells the shocking stories of some of America's ...

Some murders happen in the heat of the moment. Others, however, have been carefully plotted for months, even years. Those detailed murder schemes are the focus of a new Oxygen series. "Oxygen answers ...