RCMP hope DNA database provides break in Septic Tank Sam cold case

Septic Tank Sam lies in an unmarked grave in an Edmonton cemetery, his identity no less a mystery than when his tortured body was pulled from a rural septic tank on a spring day in 1977. 
But 40 years after Sam met his grisly end, cold case investigators hope a new national DNA database will give fresh leads on who he was — and who killed him. 
Set to launch in 2018, the RCMP’s national children and missing persons unidentified remains database will allow investigators