SKOWHEGAN — The youngest person to be charged with homicide in Maine in at least 30 years was due to make her first appearance Monday in District Court.

A 10-year-old girl was charged with juvenile manslaughter in the death of 3-month-old Brooklyn Foss-Greenaway, who was staying overnight in the girl’s home in Fairfield in the care of the girl’s mother.

The girl’s mother called police early on July 8 to report that the infant was not breathing, authorities said. The infant, who was reportedly fussy, was sleeping in a portable crib in the 10-year-old’s bedroom that night, said the infant’s mother, Nicole “Nicki” Greenaway of Clinton.

The state hasn’t released the cause of death, but Greenaway was told that her daughter ingested medication and was suffocated.

The Maine Department of Health and Human Services, which removed the young suspect from the home, faulted the baby sitter for leaving the infant in the room with the girl. In a letter, an agency case worker said the 10-year-old had a behavior disorder that made her unsuitable for caring for the infant.

The Associated Press generally does not identify juveniles accused of crimes.

The state opted not to try the girl as an adult. If convicted as a juvenile, the maximum penalty is incarceration until age 21.

Maine District Court Chief Judge Charles LaVerdiere issued a special order warning that no recording device of any type was allowed in the courtroom Monday.

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