Simplify the following text for a Grade 17 native English-speaking person.
Original: In the early 1970s Fallaci had an affair with the subject of one of her interviews , Alexandros Panagoulis , who had been a solitary figure in the Greek resistance against the 1967 dictatorship , having been captured , heavily tortured and imprisoned for his ( unsuccessful ) assassination attempt on dictator and ex-Colonel Georgios Papadopoulos .
Simplified: In the late 1970s , she had an affair with the subject of one of her interviews , Alexandros Panagoulis , who was a big rebel in the Greek resistance against the 1967 dictatorship , having been captured , heavily tortured and imprisoned for his ( unsuccessful ) assassination attempt against dictator and ex-Colonel Georgios Papadopoulos .