The final stretch of the Robert William Pickton trial began Monday morning in B.C. Supreme Court in New Westminster with the defence attacking the credibility of key Crown witnesses. The resumption of the 10-month trial after a break that began in mid-October was attended by a larger number of journalists, and family and friends of the victims, than had been seen in recent months. Defence lawyer Adrian Brooks told the jury that they alone are in the best position to judge all the evidence. He then attacked the credibility of three key Crown witnesses, by saying they were from a criminal world where crack cocaine was used. Brooks then singled out one key Crown witness, Scott Chubb, saying he lied numerous times during testimony and that the jury should dismiss all the testimony of liars. Chubb is the person who tipped police about the presence of guns on the Pickton property in 2002 - information that led to a search of the farm, which within a few months uncovered human remains....