It was one week ago today that 4-year-old Phenix Wilkerson seemingly walked out of his family’s home and spent the next two days – and nights – lost in the woods.

Investigators say they still don’t know exactly what happened.

Phenix, who is non-verbal, was found Sunday afternoon by volunteer searchers and then hospitalized.

He was released from the hospital Wednesday.

Barbour County Sheriff Tyrone Smith said Phenix is not currently in the custody of his mother or his father.

“He is in a Department of Human Resources safety plan and that’s all they would tell me,’’ Smith said.

The sheriff’s office is still investigating along with ALEA’s State Bureau of Investigation.

“We have a lot of questions that we don’t have answers to,’’ Smith said. “Depending on what those answers are, there could be nothing to go forward on this.”

“The most difficult part of this is is the child is non-verbal,’’ the sheriff said. “That’s what is hindering any resolution of now.”

Phenix was reported missing about 12:30 p.m. Friday, Jan. 12, in the area of Sid Bush Road in Barbour County’s Clayton community.

His mother, Shyanne Ray, said she had left the family’s camper to go walk over to her mother’s residence and returned a short time later to find her son gone. Ray’s daughter, who is a year old than Phenix, was at her grandmother’s house at that time.

A man who also lives in the family’s the camper when Phenix left, but he said he was asleep at the time.

Efforts to reach Ray for comment were not successful.

“Obviously she didn’t shut the door back good,’’ Smith said, “because when the door’s shut he can’t open it.”

ALEA’s Fusion Center issued an Emergency Missing Child Alert on Friday, and multiple searchers – both official and volunteer – turned out to help find Phenix.

He was found about 3:15 p.m. Sunday when volunteer Markeith Williams and others in group were walking near an area where searchers believed they had seen little footprints in field on Saturday.

Williams said Phenix was about 150 yards from that field. He looked up when he heard Williams approaching.

“Everybody just took off running to where he was,’’ Williams said.

Williams said Phenix was wearing the same clothes he was reported to be wearing Friday. He did not appear to be dirty.

“His feet and stuff were pretty clean,’’ Williams said.

He said one searcher put socks on Phenix’s feet, and another a coat. Phenix was given water as one of the searchers held his hand.

An officer eventually carried him to the top of the hill where Phenix was put in an ATV and taken to a waiting ambulance.