When Avshalom Feinberg was arrested for espionage and held in Beersheba , Yosef Lishansky joined Nili in December 1915 .
In 1915 , even before the group commenced operations , the Turks imprisoned Feinberg on suspicion of spying , which was not true at the time .
When Feinberg   was arrested for espionage and held in Beersheba , Yosef Lishansky joined Nili in December 1915 .
In 1915 , even before the group commenced operations , the Turks imprisoned Feinberg on suspicion of spying , which was not true at the time .