Jake Haro, the father of 7-month-old baby Emmanuel, has pleaded guilty to second-degree murder.
He also pleaded guilty to assault causing bodily harm to a child and filing a false report, a misdemeanor.
No new information has come to light regarding the whereabouts of the missing baby's body.
The child's mother, Rebecca Haro, pleaded not guilty to an amended criminal complaint, details of which were not made public.
Prosecutors are expected to provide more information about the case developments.
Author's summary: Father pleads guilty to murder of missing son.