Similar units are found in every country including the US, UK, Germany, France, Sweden, Spain, Italy, Greece,... not to mention ... choose a country from A to Z... In Germany the special units went as far as not just to infiltrate various organizations to gather intelligence but in some cases to create, fund and encourage anti-state groups. In the court case, for example, to outlaw the NPD it emerged that the German intelligence services (BND, the equivalent to the CIA) had agents playing such critical funding, management, ideological and organizational roles to the extent it was unclear to the courts if the illegal anti-constitutional activities might have been directed by the BND itself. In the US, UK, France, Sweden.. similar stories.. In many of these countries its even about doing their dirty work against... In Sweden its been asked over the past decade if the neo-Nazis have been infiltrated by the police or have the neo-Nazis infiltrated the police.. no difference..
Israeli soldier lightly wounded after being hit by car south of Hebron (Haaretz)
from the article: Secret police unit monitoring Israeli citizens