Married couple ID’d as 2 killed in plane that crashed on highway — as mystery surrounds their flight

The two people killed when a small plane crashed on a Massachusetts highway were a married couple who appeared to take off without a flight plan — and without the aircraft’s owners knowing why it was being flown. Thomas Perkins, 68, and his wife, Agatha Perkins, 66, of Middletown, Rhode Island, were found dead in…