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Constant Hijzen is Assistant professor at Leiden University

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Dutch spy chiefs: a new book by Paul Abels

Special Professor of Governance of Intelligence and Security Services, Paul Abels has brought out a new book, called Spionkoppen: spy chiefs. A prosopographic study into the leadership of Dutch security services from 1949 until the present, it presents eleven portraits of Dutch spy chiefs.

Constant Hijzen and Pietjan den Hollander • September 28, 2020

Intelligence Collection: The Trade Is Changing

In the intelligence studies, a debate is raging about the impact of new technologies; has the trade of intelligence collection fundamentally transformed now that we live in an information age, or not?

Constant Hijzen and Clotilde Sebag • October 07, 2019

Spying Journalists

Recently, a Dutch journalist said he was an informer for the security service, and society responded uncomfortably. Even though secret services have always recruited journalists, Dutch journalists are expected to refuse.

Constant Hijzen • June 24, 2019

Secret services and the democratic state

A special edition of 'Justitiële Verkenningen' aims to provide an academic perspective on the new Act on Intelligence and Security Services in the Netherlands

Constant Hijzen • March 16, 2018

A new article: Guardians of order, protectors of democracy

This blog explores the supposed differences between the security services and police officers. Do they really understand the same problems so differently?

Constant Hijzen • January 15, 2018

Creating and challenging the transatlantic intelligence community

When studying cooperation in the intelligence studies, more attention should be paid to the deliberative, contingent, and personal aspects of intelligence liaison.

Constant Hijzen • May 22, 2017

Images of the enemy: the security services and democracy, 1912-1992

Who, in the end, decides what the security service actually does? In ‘Images of the enemy’ the Dutch security service are analyzed in their political, bureaucratic, and societal context.

Constant Hijzen • February 15, 2017