Blood on the Threshold by Sarah Stegall copyright ©1996 by Sarah Stegall Writer: Chris Carter Director: R. W. Goodwin At the end of “The Erlenmeyer Flask“, Deep Throat died in Scully’s arms while ransoming Mulder’s life. In “Anasazi“, at the end of the second season, Mulder’s father died in his arms so that his son would not learn his secrets. At the end of last season’s opener, “Blessing Way” and “Paper Clip“, the blood of Dana Scully’s sister marked the threshold of her apartment, and the death intended for Scully passed her by. This year X (Steven Williams), Mulder’s last…