Both of Landers' parents have said they're eager to see him again. Bobbie Landers wrote on Facebook that it wasn't clear what the next steps were.
"Mike does understand that it must have been hard for his mom. He doesn't discount that at all. He doesn't know how he feels about her and his parents (grandparents) have never said or told him anything negative about her," she wrote. " ... We're trying to keep our privacy and figure things out on our own."
Landers' grandparents took him during a custody dispute with Landers' mother in July 1994 from Wolcottville, Ind., about 50 miles southeast of South Bend. They withdrew $5,000 out of a home equity line, went out for breakfast and left town.
Investigators searched in vain for Landers, but declared the case cold. It was reopened in September after a conversation between Richard W. Landers Sr. and an Indiana State Police detective prompted another search of the Social Security number for Richard W. Landers Jr.
That turned up a Minnesota man with the same number and birthday as Landers.
Minnesota officials say the grandparents — now living in Browerville under the assumed names Raymond Michael Iddings and Susan Kay Iddings — verified Landers' identity. They were known as Richard E. and Ruth A. Landers at the time of the abduction.
A telephone message left for the Iddingses on Saturday was not immediately returned. A couple who answered the door at their home Friday declined to identify themselves and also refused an interview.
Muntz said he's trying to establish a way for Harter and her son to get reacquainted.
Richard W. Landers Sr. told the News-Sun in Kendalville, Ind., that he has forgiven his parents.
"I'm just thankful my boy is still alive, and I'll still get a chance to see him," he said.
Associated Press writers Kyle Potter in Browerville, Minn., Amy Forliti and Doug Glass in Minneapolis, Charles Wilson and Ken Kusmer in Indianapolis and Dinesh Ramde in Milwaukee contributed to this report.