Original sentence: However, although the party was formed under the wing of Pinochet, and their leader Jaime Guzmán, assesinated 1991 by left wing extremists, was one of his most devoted supporters, the UDI started to move away from his figure, and decided to create an image of a "Popular Party", working intensively in the neighborhoods and the poorest districts
Edited sentence: However, although the party was formed under the wing of Pinochet, and their leader Jaime Guzmán, assasinated 1991 by left wing extremists, was one of his most devoted supporters, the UDI started to move away from his figure, and decided to create an image of a "Popular Party", working intensively in the neighborhoods and the poorest districts