Blood test revealed a carbon monoxide saturation level of 64% in Gardner’s system. Levels above 50% are typically fatal.

Randall Zúñiga, director of the Judicial Investigation Agency, said they tested the 14-year-old Miller Gardner for carboxyhemoglobin, a compound generated when carbon monoxide binds to ...

Randall Zúñiga, director of the Judicial Investigation Agency, told the Associated Press that 14-year-old Miller Gardner died of carbon monoxide poisoning. Officials previously said Asphyxiation ...

The country's Judicial Investigation Department previously revealed that Miller Gardner tested for carboxyhemoglobin after ...

Randall Zúñiga, director of the Judicial Investigation Agency, said they tested the 14-year-old Miller Gardner for carboxyhemoglobin, a compound generated when carbon monoxide binds to ...

Miller "may have died from inhaling" carbon monoxide, according to the general director of Costa Rica's Judicial Investigation Agency Randall Zúñiga, who said in a March 31 press conference that ...

Concentrations above 50% are already lethal,” Randall Zúñiga, director of the Judicial Investigation Agency, said in a press statement, per a local news outlet. “In this case, the saturation ...

Randall Zúñiga, director of the Judicial Investigation Agency, said they tested the 14-year-old Miller Gardner for carboxyhemoglobin, a compound generated when carbon monoxide binds to ...