(WSVN) - There are new developments in the major manhunt for Brian Laundrie.

His father joined law enforcement officials at the swampy Carlton Reserve on Thursday.

According to the family’s attorney, he showed them the areas in the reserve they used to hike.

The nature preserve is where Brian is believed to have been before he went missing.

Gabby Petito’s family is urging Brian to turn himself in.

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