A toxicology report after his death found high levels of carboxyhemoglobin, an indicator of carbon monoxide in the blood, ...

Authorities in Costa Rica said that toxicology tests showed a lethal level of carbon monoxide saturation in his body.

Officials in Costa Rica confirmed Wednesday that the official cause of death for 14-year-old Miller Gardner was carbon monoxide poisoning.

Randall Zúñiga, director of the Judicial Investigation Agency, said they tested the 14-year-old Miller Gardner for ...

New York Yankees legend Brett Gardner’s son died of carbon monoxide poisoning after inhaling “high levels” of the noxious gas ...

Carbon monoxide poisoning killed the 14-year-old son of former New York Yankees star Brett Gardner, a Costa Rican official ...

Carbon monoxide poisoning was the cause of death of the teenage son of former New York Yankees outfielder Brett Gardner, authorities in Costa Rica confirmed Wednesday night.

The official cause of death for Miller Gardner has been revealed following a two-week investigation. Miller, the 14-year-old son of former New York Yankees player Brett Gardner, died in his sleep on ...

The 14-year-old had 64% saturation of carboxyhemoglobin in his blood. The deadly level is 50%, officials said.