Canine  Officer  Don  Darby, 38,  died  on   8/13/13  from  stage  four  glioblastoma,  the  most  common  and  aggressive  type  of  brain  cancer  which  was diagnosed a year earlier. His police K9 “Lucky” spent many days by his  bedside at the  hospital giving him comfort with his family. Officer Darby was with the  Glendale Heights police force for fourteen years. Officer Darby is survived by his wife Amy, two sons, Caden 8 and Andrew 5 and his K9 partner “Lucky”.