Vader assured that the construction would be completed on schedule.The Emperor knew that Vader was seeking Skywalker, and advised him to be patient, then cackled:"In time, he will seekyouout.[Note: The film drew parallels with an actual series of murders committed by a gunman (the so-called Zodiac serial-killer) in the San Francisco Bay area in the late 1960s.It was the first installment of a lucrative franchise, followed by two sequels (2001 and 2008) and a 2002 prequel...It""s got absolutely nothing to do with you! You silly little fool!"The Day of Helen""s and Michael""s Departure for Two Weeks:Shortly later, Helen wakened Carol to ell her that she and Michael were about to leave for a fortnight (two week) vacation to Italy.