This undated image provided by Mikel Desmond shows him with...

This undated image provided by Mikel Desmond shows him with his younger brother Marcus, who turned up in Deming, N.M., on Tuesday, Feb. 27, 2024, after going missing from his family's home in Tucson, Ariz. Authorities in New Mexico posted a photograph of the 13-year-old with autism on social media and were able to identify him with help from the public and Tucson police. He was back home with his family on Wednesday. Credit: AP/Mikel Desmond

DEMING, N.M. — A missing teen with autism has been found in New Mexico — about 200 miles (322 kilometers) away from his home in southern Arizona, according to New Mexico State Police.

The 13-year-old turned up at a Walmart in Deming on Tuesday after going missing the night before from his family’s home in Tucson. In hopes of identifying the young man, authorities in New Mexico posted a picture on social media seeking the public’s help.

New Mexico State Police said that within minutes, someone recognized the teen from an earlier post by the Tucson Police Department. They confirmed Wednesday that the teen had been reunited with his family and was safely back at home.

“Thanks to everyone who helped make this possible by sharing, commenting, and spreading the word,” New Mexico State Police said in a social media post.

The family shared their gratitude for police and the community on social media. They have no idea how the teen was able to get to Deming.

“My mom woke up, and he was no longer in the house. The front door was unlocked, and he was just gone,” the boy's brother, Mikel Desmond, told Albuquerque television station KRQE.

The family contacted police, searched nearby areas and created a missing person flyer that they shared online. As the hours passed, Desmond said he started to lose hope of finding his brother. He said even if someone would have given the teen a phone and told him to call home, he wouldn't be able to because he can't communicate verbally.

This image provided by Mikel Desmond shows Desmond, left, and...

This image provided by Mikel Desmond shows Desmond, left, and his mother Renee Desmond after they were reunited with younger brother Marcus in Deming, N.M., in the early hours of Wednesday, Feb. 28, 2024. Marcus, 13, turned up in Deming after going missing from his family's home in Tucson, Ariz., on Monday evening. It's unknown how he found his way to New Mexico. Credit: AP/Mikel Desmond

It was Tuesday evening when the family got the call from authorities in New Mexico after the boy had been checked out at a local hospital.

Desmond said his brother ended up at the Walmart, where he tried to buy food and drinks but didn't have any money. The teen then reportedly went to hide in the bathroom and was later found by law enforcement.

“It’s amazing how fast news can spread through social media,” Desmond said. “And we never would have thought that we would have had so many people reach out and ask ways they can help.”

Desmond told The Associated Press that he and his mother made the drive to New Mexico after getting the call, traveling three hours each way to pick up the boy and bring him home. They shared a photo of their reunion at the hospital in Deming.

This undated image provided by Mikel Desmond shows his brother...

This undated image provided by Mikel Desmond shows his brother Marcus Tessier, who turned up in Deming, N.M. on Tuesday, Feb. 27, 2024, after going missing from his family's home in Tucson, Ariz. The 13-year-old boy with autism was found by law enforcement after he showed up at a Walmart in New Mexico. They are unsure how he made his way to the neighboring state. The family was reunited in the early morning hours of Wednesday. Credit: AP/Mikel Desmond

Tucson police said they are investigating the boy's travels.

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