India, Jan. 25 -- The father of a missing Arkansas man said that he believes his son may have taken his own life after being diagnosed with a terminal illness. The family has also requested that all active search efforts be halted.

Chris Palmer, 39, was reported missing by Arkansas authorities on January 16, following the discovery of his abandoned red 2017 Ford F-250 at Cape Hatteras National Seashore. Palmer was believed to be traveling with his German Shepherd, according to the National Park Service (NPS).

In a Facebook post on January 24, Palmer's father, Bren Palmer, said the family had "made the difficult decision to request all active search efforts for our son cease." He noted that recent searches had focused on the Outer Banks....