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A young woman who said she's the mother of a 3-month-old found dead in Galveston this week is no longer cooperating with authorities.

Police believe the woman has hired an attorney.

Meanwhile, the search for a "person of interest" in the baby's death continues.

Police have few leads in the search for Travis Mullis, who may be the father of the baby found dead.

“I don’t think we’re getting a lot. I wouldn’t categorize it as a lot,” Lt. Jorge Trevino said.

Police believe Mullis may know more about the baby who was killed, then dumped – still in his car seat – along a lonely road on Galveston's East End.

Mullis reportedly worked at a Walgreens in Houston.

Police believe he left his Alvin home Tuesday morning with the baby and hasn’t been heard from since.

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The baby's mother said she suspected something was wrong.

“I don’t know why we’re not getting any leads,” Trevino said.

The baby’s murder has shocked the entire community, including Bob Adams.

Adams wrote a poem for the child called “Little Boy Blue.”

Police are not calling Mullis a suspect – only a person of interest.  They say he is known to hang out in Galveston and Baytown. Baytown police have been alerted to be on the lookout for the 21-year-old.

But even though he’s not a suspect, authorities think he can tell them more about how a baby ended up dead in the middle of nowhere.

Police said Mullis was last seen driving a silver, four-door, 2002 Hyundai Accent with duct tape on the rear passenger side door handle and Texas license plate 067-RJP.

An autopsy on Wednesday determined that the baby’s death was a homicide caused by blunt force head trauma.

The baby’s mother said she suspected something was wrong.

Police say that the night before the baby was found Mullis and the baby’s mother argued.

The child’s mother told authorities that she was not concerned when Mullis left with the baby because he said he was going to have his car worked on. She said she became concerned when she couldn’t get a hold of Mullis.

That’s when the Alvin mother starting calling local hospitals seeking her child and the boy’s father. Those calls eventually led to the Galveston Police Department as reports of a boy’s body being found near the island’s Seawall surfaced.

The mother identified a photo of the dead child as her son, but police were waiting for a medical examiner’s report to confirm the dead child’s identity.

Galveston detectives were at the mother’s trailer home in Alvin searching for clues in the case Tuesday night.

Police suspect the person who threw the child from the car is a man because of the distance the child was thrown.

Photo by Jennifer Reynolds

Scott Pena of the Galveston Police Department Crime Scene Unit inspects a child's car seat early Tuesday near the body of a child on Cherry Hill at the East End of the Seawall.

A couple who found the infant’s body on Galveston’s far East End say they were shaken and disturbed by the unsettling discovery and were attempting to push it from their minds.

They were looking for birds and coyotes while driving just north of the Seawall between the entrance to East Beach and Ferry Road.

“I saw some legs and feet, and said, ‘What is this? A doll?’” said the Jesse Zaro Jr., a Galveston County jail employee who was with his wife Esmeralda. “I didn’t say anything to my wife but, ‘Wait here.’ I opened the door and realized it was a baby. I just fell to pieces. We were looking to find something beautiful.”

The couple called 911, and police immediately cordoned off the scene and began photographing and shooting video of the area.

Police have found other bodies in the isolated area by the Seawall, but none in recent memory on Cherry Hill, Trevino said.

This is the second child’s body found in Galveston County in recent months. Last October, the body of Riley Ann Sawyers of Ohio, who became known across the nation as Baby Grace, was discovered in a plastic container on an island in West Galveston Bay.

Sawyers’ mother and stepfather have been charged with her murder.

And last summer, a baby was severely burned when her father allegedly placed her into a microwave in a Galveston motel room. The child remains in protective custody, while the father, Joshua Mauldin of Arkansas, file notice that he plans to plead insanity as he faces charges for injury to a child.

The little girl’s mother Eva, at one point claimed that her husband had been possessed by the devil when he placed the child in the motel refrigerator and then a microwave.

Parts of this story are available through KHOU, Ch. 11's partnership with The Galveston County Daily News.