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

Brett Gardner’s son died of carbon monoxide poisoning. Carbon monoxide is known as the “invisible killer” because it is a ...

The 14-year-old son of former New York Yankees outfielder Brett Gardner died from carbon monoxide poisoning while visiting ...

Carbon monoxide poisoning was the cause of death of the teenage son of former New York Yankees outfielder Brett Gardner, ...

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

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

Miller Gardner, the 14-year-old son of former New York Yankees outfielder Brett Gardner, is believed to have died as a result ...

Miller Gardner, the 14-year-old son of former New York Yankees player Aaron Gardner, died of carbon monoxide poisoning, Costa ...

Local authorities previously speculated the teen’s March 21 death could have been caused by an allergic reaction or asphyxiation.

A forensic pathologist explained to Us Weekly why the late Miller Gardner may have experienced a stronger reaction to carbon ...

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