In an email to The Associated Press, Hassebrook said he is "taking a hard look" at running for governor in 2014.
"I recognize that no human is without failing. So I wish Rick Sheehy and his family the best as they seek to heal from this disappointing episode," he said.
Sheehy changed his Twitter account settings to private before Heineman's press conference. Shortly after, his account appeared to have been deleted.
Associated Press writer Margery Beck contributed from Omaha, Neb.
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