A high level of carbon monoxide was detected in 14-year-old Miller Gardner's hotel room, Costa Rican Police revealed.

Miller Gardner -- the 14-year-old son of former New York Yankees outfielder Brett Gardner -- died from carbon monoxide ...

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

Investigators said high levels of carbon monoxide were detected in the hotel room where the family, including 14-year-old ...

The death of Miller Gardner, the 14-year-old son of former New York Yankees outfielder Brett Gardner, was due to carbon ...

After Brett Gardner’s son Miller Gardner was found dead due to carbon monoxide exposure during a vacation in Costa Rica, a CO ...

Miller Gardner ‘s cause of death has been confirmed by Costa Rica authorities. The 14-year-old son of former New York Yankees ...

They were all sick. After going out to dinner on March 20 while vacationing in Costa Rica, retired New York Yankees ...

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

Miller Gardner, the teenage son of former New York Yankees outfielder Brett Gardner, died of carbon monoxide poisoning, ...

The former New York Yankees outfielder's 14-year-old son died last month during a family vacation in Costa Rica.

A blood test for carbon monoxide showed a saturation level of 64% in Gardner’s body, Costa Rican officials said.