Fuentes is charged with assault and endangering an incompetent person.
Sources familiar with the case tell Eyewitness News that police are awaiting the results of DNA tests to see if the father is linked in any way to the disappearance of Reyna De Los Santos.
The 42-year-old woman had been missing since last June before her bones were found in suitcase by a group of kids in a Queens park. The bones included a skull with teeth, and an arm.