The dog inflicted severe facial injuries to the boy.
He was airlifted to Vanderbilt University Medical Center, but did not survive.
The husky had also killed the family's cat prior to killing the newborn.
Before the end of the dog's 10-day rabies quarantine, a rescue advocate, William Uhring, managed to whisk the dog away from custody to save it from euthanasia.
Several days after the deadly attack, the child's father, Jeremy Valdez, issued a statement to the media. Valdez's sole care and custody for over the past year; however the child was visiting his mother for the week where she resides with her parents at their home in Montgomery County and where the attack occurred." At the time of the attack, Jace's mother was visiting friends in Spring.
Detectives continue to investigate the child's death.
At the time of the attack, the young boy and his family were visiting the Fort Campbell serviceman's home.
The boy was outside in the backyard with the service dog, described as a "small German shepherd," when the animal attacked.
The victim was transported to Palomar Medical Center where she was diagnosed with an intracerebral (brain) hemorrhage.
She was admitted into intensive care with a "poor prognosis." On Saturday March 3rd, she was removed from life support and died the next day. Escondido police found no evidence that a crime had occurred.
Destiny was unpacking groceries when Dylan got away from her and wandered next door and was attacked by the dog.