This achievement is unlocked from Russell's chapter.Upon starting Russell's chapter you are on a long road, use the
to walk down the road until you get a brief cutscene to show you that a pickup truck is coming behind you.
At this point you will be given the option to either Hide or Stand your ground. Choose the option to
Hide (Will be either
or
but the choices do switch so I cant be sure) Russell will then jump into the ditch at the side of the road which will be home to either the corpse of Carly or Doug from earlier in the game.
After Russell has finished talking the achievement will pop, here's a video.