A New Hampshire magnate with ties to power players in both parties has appeared in successive batches of the Epstein files, roiling politics in his home state and threatening its two most influential political dynasties.

Documents recently released by the Department of Justice suggest that entrepreneur Dean Kamen, the inventor of the Segway and other devices, kept in contact with Jeffrey Epstein long after Epstein pleaded guilty to soliciting prostitution from a minor in 2008, with emails indicating he visited the disgraced financier’s Caribbean island in 2013. Kamen has not been accused of wrongdoing and did not respond to requests