For those that don't know, Doom and Alice: Madness Returns developer American McGee's sister Mercy Johnson Covington disappeared more than a year ago from northeast Dallas, TX (White Rock). There was a thread about this before here on Doomworld, but rather than necropost, I thought I'd make something new to keep it alive. Here is the Facebook post with most of the information and she's been missing since being dropped off at home after work and mentions someone who thre