Paul Overby, 77, disappeared in Khost province in mid-May 2014 while researching a book on the Afghan people.
He is thought to have disappeared while on his way to Waziristan, in Pakistan‘s Federally Administered Tribal Areas, to interview Sirajuddin Haqqani, the leader of Haqqani Network.
The second man, Paul Frerichs, 58, was kidnapped on January 31 this year.
Frerichs is a longtime commercial contractor in Afghanistan and thought to be in the custody of Haqqani Network,
The US State Department offered the reward through its Rewards for Justice office and the FBI is advertising the reward.
In a statement, the State Department said any information provided would be kept confidential.
“The RFJ reward offers are for information leading to the location, recovery, and return of Mr. Frerichs or Mr. Overby,” read the statement.
“Mr. Overby was last seen in Khost, Afghanistan, near the border with Pakistan, in mid-May of 2014. At the time of his disappearance, he was conducting research for a book he was writing and it appeared that he planned to cross the border into Pakistan in furtherance of his work.
“Mark Frerichs was kidnapped in early February 2020. At the time of his kidnapping, he resided in Kabul. He moved to Afghanistan in approximately 2010 and worked on construction projects throughout the country,” the statement read.