Coroner issues subpoenas for records of 20 doctors in Haim death room . Attorney general says at least one of Haim 's prescriptions linked to prescription drug ring . He , 38 , had pneumonia , weak heart , water in lungs when he died March 10 . `` You 're talking many , many doctors . Toxicology results , which are weeks away , to help determine if drugs were involved in death .
Coroner issues subpoenas for records of 20 doctors in Haim death room . Attorney general says at least one of Haim 's prescriptions linked to prescription drug ring . He , 38 , had pneumonia , weak heart , water in lungs when he died March 10 . Toxicology results , which are weeks away , to help determine if drugs were involved in death .