But the reason isn't a happy one.
He and his wife, Beth Chapman, announced that they were flying from their current home in Hawaii to Colorado to handle funeral services for his sister, Jolene Kay Chapman, who died here this week at the age of 62.
She's said to have passed away from complications of pneumonia and was removed from life support at 10:05 p.m. on Monday, May 16.
"Jolene was a very strong Christian, and I am absolutely positively sure she's in heaven right now," Duane said in a statement.
It's been a time of change for the Chapmans.
In 2012, A&E canceled Dog the Bounty Hunter after eight seasons.
They also stayed in touch with Denver fans by way of a retail store dubbed the Denver Dog House.
But this January, the Chapmans announced that they were shutting down Dog and Beth after three seasons on CMT.
They did so, according to InTouch Weekly, "in an attempt to save the bail industry, which is under attack nationwide."
Beth, who had announced her candidacy for the presidency of Professional Bail Agents of the United States (PBUS), told the publication that "our industry is under attack. There are bail reform movements springing up across the country that would end the cash bail systems. This would be a disaster.”
The loss of Martinez is much more personal. Still, Duane notes, "in Hawaii we don't say 'goodbye.' We say 'Aloha Oe...until we meet again.' And I know I will see my sister again, which gives all of us some comfort at this very sad time."
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Martinez is survived by two children and three siblings, including Duane. Funeral arrangements are pending. Our sincere condolences to her friends, family and loved ones.