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MIAMI GARDENS (CBSMiami) – Caution tape surrounds a Miami Gardens home where police have been investigating a startling discovery for the second straight day.

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“It is surprising. It’s usually something that doesn’t happen over here,” a neighbor said.

That neighbor didn’t want to be identified since it’s still unclear how the remains ended up at the home.

Police are not saying much about why they are back at the house after spending hours there on Sunday.

The home is located along busy Northwest 37th Avenue, next to the Miami-Opa locka Executive Airport and across the street from Marian Center, a special needs school.

A neighbor believes the home was used a halfway-house for people trying to recover from addiction.

“They would always walk around. They’ll go up the street to Walmart. They’ll walk right back. Never really messed with us too much.”

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That neighbor saw the last person move out less than a month ago.

“Three weeks ago, I saw a U-Haul there late at night. I don’t know why. The next day, it was gone and everything was pretty much empty,” a neighbor said.

Chopper4 was overhead as officers searched a shed behind the home.

According to investigators, they located what appeared to be human remains on Sunday.

They are not saying, however, if anyone currently lives in the home, or who told them to check the property.

Detectives are also not saying what else, if anything, they found inside the shed or in the home itself.

Miami-Dade property records show the home is owned by Mayorca General Services, LLC. The owner didn’t want to comment.

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CBS4 asked investigators if they have any recent missing persons reports in this area, and if they’re working with other agencies to try to learn more what led to this investigation but so far, we have not gotten a response.