You have to consider the source (WAFA is the Palestine News Agency) and sort the facts from the spin.
It appears she separated herself from the delegation of U.S. academics and stayed an additional two days on private business. She then went to the airport without an escort from the Israeli organization sponsoring the official visit to smooth the way.
So, basically she showed up as an unrecognized elderly U.S. woman with an Lebanese Arab last name and got a taste of the scrutiny Israel is forced to make its passengers endure to ensure their safety.
Welcome to the real world, Donna.
A woman I work with has a name that is similar to a terrorist. Got the same treatment.