Missing Persons

Najib Monsif was last seen by his father at their Scottsdale home on Sept. 22, according to authorities.

Chris and Roberta Laundrie now believe that they last saw their son on a Monday, not a Tuesday, like they had initially reported.

Dennis Davis is convinced he spotted Gabby Petito's boyfriend Brian Laundrie on the Appalachian Trail near the border of North Carolina and Tennessee.

Lauren Cho was distraught when she vanished into the desert hills without a phone, food or water.

The remains of teenager Brynn Bills are believed to have been discovered in a shallow grave on property owned by Joshua Wirgau.

Numerous tipsters have claimed that Brian Laundrie, person of interest in the disappearance of Gabby Petito, may be hiding out on the North Carolina section of the Appalachian Trail.

Steven Bertolino, the lawyer representing the Laundrie family, told Oxygen.com that FBI agents collected items to assist canines in their search for Brian Laundrie.

Jason Thornburg was arrested Monday on a capital murder charge in the deaths of the three people found in the dumpster last week in Fort Worth.

Armando Manuel Caballero, identified as a person of interest in Miya Marcano's disappearance, was found dead from an apparent suicide, authorities say.

The University of South Florida student went missing after FaceTime call to her mother from Myrtle Beach in mid-September.