Only very few personal details of his life and career are known to the public. He was in his early 40s in 2002, and lives in a village inSouthern Germany, where he always lived except when he was studyingsocial science.[4] During the time of his studies, the Germanright-wing partyThe Republicans was founded.[4] He describes this occasion as the “priming” for his activism.[4] He himself is a member of theSocial Democratic Party of Germany (SPD). After finishing his studies he moved home and started to make his inquiries.[4] His articles and books are published under his pseudonym.[4]
Maegerle does not publish any personal data because he is exposed to hostility and threats, as well as threats of murder fromneo-Nazis due to his professional activity. At times he was dependent on state personal protection. Therefore, he chose a pseudonym[4] under which his articles, book and TV contributions appear.
Maegerle started collecting information on the right-wing party The Republicans in 1983, and observes right-wing extremists as well as right-wingconservative circles in Germany and abroad. Maegerle's database contains some 550,000 items and data on ca. 17,000 individuals, and is said to be one of the largest of its kind, providing information to journalists and governments agencies including theFederal Office for the Protection of the Constitution. In 2001, he published a book against right-wing extremism inBaden-Württemberg together with the president of theLandesamt für Verfassungsschutz Helmut Rannacher.[5] Maegerle also collects information on right-wing extremist,xenophobic andanti-semitic acts of violence, regularly publishing chronicles of such events.
Some New Right publishers accuse Maegerle's work of containing aleftistbias because he makes nearly no distinction betweenconservatives andNazis, and criticize that he receivespublic money for this.[8] For example, Maegerle defends the use ofpolitical correctness, and published an article in the left-wing newspaperJungle World during the2002 German federal election in which he, as aSPD member, accusedCDU chancellor candidateEdmund Stoiber of having "best ties to the twilight zone of right-wing extremism".[9][10] The extremism researcherEckhard Jesse has criticized Maegerle for "scent[ing] in the well-known Antifa manner almost everywhere right-wing extremists."[11]
TheHolocaust denierGermar Rudolf published under the nameAnton Mägerle in order to discredit the journalist's research on Holocaust denial.[4]
In 2007, Felix Krautkrämer, an editor ofJunge Freiheit claimed repeatedly, that Maegerle is afar left extremist and he publishes in multiple far left media. Maegerle filed a lawsuit against the claim that he is still publishing in four of the far left media mentioned by name. Krautkrämer, as well asFocus Michael Klonovsky, were later ordered by a court not to repeat this claim.[15]
"Rechtsextreme Publikationsorgane und -strategien. Verlage, Antiquariate, Zeitschriften und Internet". In: Thomas Fliege, Kurt Möller (Hrsg.):Rechtsextremismus in Baden- Württemberg. Verborgene Strukturen der Rechten. Dezember 2001, S. 85-101,ISBN3-89902-019-7
"Autoren desGrabert-Verlags und des Hohenrain-Verlags. Ihre Funktion und ihre Bedeutung in der rechten Szene." In: Martin Finkenberger, Horst Junginger (Hrsg.):Im Dienste der Lügen. Herbert Grabert (1901–1978) und seine Verlage. Alibri-Verlag, Aschaffenburg 2004, S. 155-174,ISBN3-932710-76-2
Globalisierung aus Sicht der extremen Rechten. Bildungsvereinigung Arbeit und Leben Niedersachsen Ost, Braunschweig 2005,ISBN3-932082-12-5
Rechte und Rechtsextreme im Protest gegen Hartz IV. Bildungsvereinigung Arbeit und Leben Niedersachsen Ost, Braunschweig 2006,ISBN3-932082-22-2
Gewerkschaften im Visier von Rechten und Rechtsextremisten. Bildungsvereinigung Arbeit und Leben Niedersachsen Ost, Braunschweig 2007,ISBN3-932082-30-3
"Politischer und publizistischer Werdegang von Autoren der "Jungen Freiheit"." In: Stephan Braun, Ute Vogt (Hrsg):Die Wochenzeitung "Junge Freiheit". Kritische Analysen zu Programmatik, Inhalten, Autoren und Kunden. VS Verlag für Sozialwissenschaften. Wiesbaden 2007, S. 193-215,ISBN978-3-531-15421-3
together with Martin Dietzsch
Das Plagiat. Der Völkische Nationalismus der Jungen Freiheit. Duisburger Institut für Sprach- und Sozialforschung e.V., 1994,ISBN3-927388-44-0
"Digitales Braun. Die Nutzung Neuer Medien durch Neonazis". In: Jens Mecklenburg (Hrsg.):Handbuch deutscher Rechtsextremismus. Berlin (Elefanten Press) 1996,ISBN3-88520-585-8
"Rechtsextremisten und Neue Medien". In: Jens Mecklenburg (Hrsg.):Antifa Reader. Antifaschistisches Handbuch und Ratgeber. Berlin (Elefanten Press) 1996,ISBN3-88520-574-2
together with Friedrich Paul Heller
Thule. Vom völkischen Okkultismus bis zur Neuen Rechten. Schmetterling-Verlag, 2. aktualisierte und überarbeitete Auflage, Stuttgart 1998,ISBN3-89657-090-0
Thule. Von den völkischen Mythologien zur Symbolsprache heutiger Rechtsextremisten. Schmetterling-Verlag, 3. überarbeitete Auflage, Stuttgart 2007,ISBN3-89657-092-7
^Joachim Schäfer, Bettina RöhlStigmatisiert: der Terror der Gutmenschen: verfolgt, verurteilt, verbannt: Siegmar Faust, Hans Filbinger, Lothar Groppe, Steffen Heitmann, Ernst Nolte, Gerd Schultze-Rhonhof, Kurt Waldheim u.a.m. Aton, 2003. S. 144
^Alice Brauner-OrthenDie Neue Rechte in Deutschland: antidemokratische und rassistische Tendenzen. Leske + Budrich, 2001.S. 149