(El Cajon, CA)  --  A Hillsboro man is behind bars near San Diego in connection with a 2006 murder.  Authorities say 39-year-old Zachary Bunney was linked to the stabbing death with the help of DNA and genealogy testing.  He was extradited to San Diego County and was due to be arraigned yesterday on a murder charge in El Cajon.  Police say he allegedly used a machete to kill a La Mesa resident some 13 years ago.