NEW : Police found holes in ventilation pipes below room where three died , official says . Medical examiner resigns amid controversy over toxicology reports in hotel deaths . 5 things to know about carbon monoxide . Comment: State says Hall got test results on June 1 ; police say he did n't tell them until June 8 .
NEW : Police found holes in ventilation pipes below room where three died , official says . Medical examiner resigns amid controversy over toxicology reports in hotel deaths . Comment: State says Hall got test results on June 1 ; police say he did n't tell them until June 8 .