"Initially, it was believed that the heart issue was the cause of death," Henson told The Atlanta Journal-Constitution.
The investigation continued, though, concluding with the the autopsy determining the death was a homicide.
In September, Gromer created a GoFundMe page to raise money for an attorney, saying that their other children were removed from his home after the baby's death. A photo showed a small baby in a pink sleeper.
“I am broken and my family is broken too,” Gromer wrote. “There is no police report or an autopsy. But yet they continue to hold my family in custody. I am never one to ask for help but here I am ... with a broken heart a broken family asking for help.”
Gromer last posted on the page in September. Late Monday, the page had been removed.