NEW : Police found holes in ventilation pipes below room where three died , official report . Medical examiner resigns amid controversy over toxicology reports in the room . CNN 's Joe Sutton and Melissa Gray contributed to this report . It 's unclear if Sheriff Hall 's resignation is linked to investigation into those deaths . State says Hall got test results on June 1 ; police say he did n't get them until June 8 .
NEW : Police found holes in ventilation pipes below room where three died , official report . Medical examiner resigns amid controversy over toxicology reports in the room . It 's unclear if Sheriff Hall 's resignation is linked to investigation into those deaths . State says Hall got test results on June 1 ; police say he did n't get them until June 8 .