Human remains brought home four months apart by a dog in east Birmingham are from the same person, authorities said Tuesday.

The Jefferson County Coroner’s Office used DNA analysis to the link the skull and the left tibia, but the identity of the victim is still unknown.

Multiple missing person cases have been ruled out by DNA.

Chief Deputy Coroner Bill Yates said investigators placed GPS trackers on the dog and have determined its roaming area and patterns but searches of those aread have not yielded additional remains.

The investigation began Aug. 20 when a resident found the skull on the shoulder of the roadway next to his home on Fifth Place N.W.

It was believed the skull was moved to where it was found by the homeowner’s dog.

Yates said a search of the area around the residence found no other human remains.

Police later said the medical examination of the skull showed the victim had been shot and the case was deemed a homicide.

A full DNA profile has been compiled however Yates said the DNA profile did not match anyone listed CODIS, or the Combined DNA Index System, which is a national DNA database that allows law enforcement to compare DNA profiles from crime scenes, convicted offenders, arrestees, detainees, and missing persons.

The FBI maintains the national index.

On Dec. 12, the dog showed back up at home, this time with a long bone later determined to be the tibia.

Yates said investigators checked nearby properties and woods behind the home at that time. Investigators also checked with area residents and asked them to look at their Ring cameras to see if they could determine where the dog was going to or coming from.

One neighbor, Yates said, did report seeing the dog walking up the street. Another reported seeing the dog “gnawing” on a bone.

Yates said he even stopped a mailman to question him.

Yates said the skull belongs to a male. There are features that lead authorities to believe the skull belonged to a Black male, but Yates said the race is not 100 percent confirmed.

Anyone with information is asked to call the coroner’s office at 205-930-3603 or Birmingham police.