Costa Rican officials said Monday night that the 14-year-old son of former New York Yankees player Brett Gardner may have died from carbon monoxide poisoning.

The FBI is involved in the investigation of the death of Brett Gardner ’s son Miller Gardner, Us Weekly can confirm. A source tells Us that the FBI is working in conjunction with Costa Rica’s Judicial Investigation Department (OIJ) and the Costa Rican Fire Department. The insider adds that they’re at the hotel in Manuel Antonio.

Late last month, former New York Yankees star Brett Gardner and his wife, Jessica, announced the death of their 14-year-old son, Miller. "With heavy hearts we are saddened to announce the passing of our youngest son,

A preliminary investigation into the death of Miller Gardner, the son of former Yankee Brett Gardner, indicates he may have died from possible food poisoning.

The youngest son of former New York Yankees outfielder Brett Gardner and his wife, Jessica, has died after falling ill during a family vacation to Costa Rica.

Brett Gardner and his wife Jessica remembered their late son, Miller, who died during a trip to Costa Rica, in a touching obituary published by the 'Post and Courier' on March 29.

Miller Gardner, the late 14-year-old son of former New York Yankees outfielder Brett Gardner, is remembered as an active, kindhearted student who brought joy to family and friends.