Gestapo office in Kladno for interrogation. Thümmel conceded his
contact with the Czech resistance but insisted it had occurred as part
of an Abwehr penetration operation. He was released on the condi-
tion that Morávek’s whereabouts be disclosed. On 22 March, not
having received Thümmel’s attempted warning, the Czech officer
was killed in an exchange of fire with Gestapo agents in Prague. Two
months later, Heydrich sent a report to Bormann identifying Thüm-
mel as a double agent and requesting his removal from the party.
Thümmel spent the following years confined in Theresienstadt (now
Terezin) under the name of Peter Toman, a former Dutch military
attaché in Prague. His case never came to trial, and he was executed
on 20 April 1945.
THUR, HERBERT. An East Berlin journalist and recruiter for the
Ministerium für Staatssicherheit, Herbert Thur worked under the
code name duo from 1961 to 1985. Prime targets were unsuspecting
summer tourists from the Federal Republic of Germany whom he
cultivated at Lake Balaton in Hungary and at vacation resorts on the
Bulgarian coast. His enlistment of Diether Dehm occurred at a youth
camp in the German Democratic Republic.
TIEBEL, ERWIN. See FELFE, HEINZ.
TIEDGE, HANSJOACHIM (1937– ). A senior counterintelligence
official in the Bundesamt für Verfassungsschutz (BfV) who de-
fected to the Hauptverwaltung Aufklärung (HVA), Hansjoachim
Tiedge was born in Berlin on 24 June 1937. Following his legal
studies in Munich and Frankfurt am Main, he entered the BfV in
September 1966 and came to have responsibility for all espionage re-
lated to the German Democratic Republic (GDR) as head of Division
IV in January 1982. Yet his various personal problems—alcoholism,
gambling debts, and the accidental death of his wife—reached such a
point that the only alternative, in his mind, was to defect to the HVA.
Arriving on 19 August 1985 in the GDR and presenting himself by
his code name tabbert, he proceeded to divulge highly sensitive
internal information, including the nature of ongoing intelligence
operations in the country as well as the identity of all East Germans
working for Western agencies. One immediate repercussion was the
462 • THUR, HERBERT