You can also ignore certain signals during a portion of your script, then re-instate them later on when you do wish to catch the signals so you can take some form of action.
You might need more research in the form of interviews or background data; alternately, you may wish to re-interview the subject of your story to fill in some blanks.
If you wish to be accurately re-presented, you must work to change anything in your life which does not fit into the picture of you that you wish to project into eternity.