Why replicants killed by blade runners?

Answer 1

Seven different versions of Blade Runner exist, but the most well-known are the International Cut (1982) and the Director's Cut (1992): # Original workprint version (1982, 113 minutes) shown to audience test previews in Denver, Dallas and London in March 1982. It was also seen in 1990 and 1991 in Los Angeles and San Francisco as a Director's Cut without Scott's approval. Negative responses to the test previews led to the modifications resulting in the U.S. theatrical version, while positive response to the showings in 1990 and 1991 pushed the studio to approve work on an official director's cut. It was re-released with the 5-disc Ultimate Edition in 2007. # A San Diego Sneak Preview shown only once in May 1982, which was identical to the Domestic Cut with three extra scenes. # The U.S. theatrical version (1982, 115 minutes), known as the original version or Domestic Cut, released on VHS in 1983 and re-released in 1992 as a "10th Anniversary Edition." # The International Cut (1982, 117 minutes) also known as the "Criterion Edition" or uncut version, included more violent action scenes than the U.S. theatrical version. Although initially censored in the U.S. and available in European and Asian theatrical and local Warner Home Video LD releases, it was later released on VHS by Embassy Home Entertainment in the mid-1980s and Criterion Collection Laserdisc in North America. # The U.S. broadcast version (1986, 86 minutes), the U.S. theatrical version edited for profanity and nudity by CBS to meet broadcast restrictions. # The Ridley Scott-approved (1992, 117 minutes) Director's Cut; prompted by the unauthorized 1990-1 workprint theatrical release and made available on VHS in 1994 (1993 in Japan), on Laserdisc in 1995 and on DVD in 1997. # Ridley Scott's Final Cut (2007, 117 minutes), or the "25th Anniversary Edition", released by Warner Bros. theatrically on October 5, 2007 and subsequently released on DVD, HD DVD, and Blu-ray in December 2007 (U.K. Dec. 3; U.S. Dec. 18). This is the only version over which Ridley Scott had complete artistic control; the Director's Cut was rushed and he was not directly involved. In conjunction with the Final Cut, extensive documentary and other materials were produced for the home video releases culminating in a five-disc "Ultimate Collector's Edition" release by Charles de Lauzirika.

Answer 2

There are six replicants that are mentioned yet there are actually only five - Roy, Leon, Zhora, Pris and Rachel. Many have wondered about whether or not Deckard himself being a replicant - this is a moot point that is debated to this day although the director Ridley Scott says that he is indeed a replicant. The confusion lies within the original six replicants (Rachel was on Earth) that escaped to Earth after hijacking a ship. One of these original six was electrocuted on a electrified fence that surrounded the Tyrell Corporation.

The confusion stems from the fact that Bryant misquoted the script mentioning five replicants not six as he said.

Answer 3

Blade Runners are tasked with "retiring" replicants on Earth because there was an off-world combat team that had revolted . It is for the safety of the citizens and does away with any conjecture on their part as to who is or who is not human .