User blog:TheEvilThing/I NEED HELP

I just started the suicide mission but right after remembered that I had something else I had to do first worst of all I forgot to save before starting it IS IT STILL POSSIBLE FOR ME TO LOAD MY FILE TO THE POINT BEFORE THE SUICIDE MISSION again I forgot to make a seperate save right before starting it IF NOT ILL HAVE TO START AGAIN... PLZ HELP ME!!!