The teen who murdered his two-year-old brother could become America’s youngest “life” on charges as an adult.

Prosecutors want to imprison Cristian Fernandez for the rest of his life, reports Daily Mail.

Fernandez reportedly beat his younger brother David Galarriago to death at their Jacksonville, Florida home in March. The little one died of a fractured skull that resulted in cerebral haemorrhage. David died two days after being admitted to hospital, the daily said.

Fernandez had previously attacked his brother and broke his leg.

Prosecutors say they want to protect the “public from this young man” and recommended the 12-year-old face trial as an adult after reviewing his history of violence and behavior.

However, Fernandez’s defense has put together a dossier exposing the family unrest, sexual battery, and suicide of an abusive stepfather. His mother gave birth to him when she was just 12 years old. Fernandez’s father was jailed for sexual assault after impregnating his mother.

The documentary also showed that abuse was a regular occurrence in the apartment since Fernandez’s young life began, the newspaper added.

Fernandez’s stepfather apparently shot himself in front of the family to avoid being arrested for child molestation. However, two forensic psychologists who examined him found him reformable despite a difficult life.

To press