Christophe Hondelatte SEASON 2021 - 202206:00 a.m., May 07, 2022

At the end of the 1970s in the United States, a mysterious terrorist sends parcel bombs stuffed with explosives.

The first two were aimed at university professors, the third targeted an airliner, while the fourth targeted the president of United Airlines.

The packages were made up of homemade bombs which caused injuries, but no deaths.