The founder and director of Texas EquuSearch, Tim Miller, is in the Tri-State to assist in the search for Katelyn Markham. Miller and other volunteers spend most of Tuesday staging a command center, and getting organized.
Markham, 22, was last seen Aug. 13 and reported missing by her fiancee the next day.
Texas EquuSearch is a mounted search agency that has been involved in over 1,200 cases, including high profile cases such as Natalee Holloway and Caylee Anthony.
Katelyn's family contacted EquuSearch to get them involved. The organization has 1,400 members nationwide.
Miller landed at the Greater Cincinnati Northern Kentucky Airport at around 11:30 a.m. Tuesday morning. He met with detectives and Katelyn's family.
Meanwhile, the reward information on the disappearance of Katelyn Markham is now five times higher.
Anyone with information on her disappearance could receive a $25,000 reward.
Officials with CrimeStoppers say Markham's family and friends have added $20,000 to the previous $5,000 in reward money that came earlier from an anonymous donor.
Volunteers participating in the search must be 18 or older and have a photo ID -- volunteers should also bring a bag lunch and water for the day.
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