MOSCOW, November 23 (RAPSI) – The Basmanny District Court of Moscow on Monday extended until February 28 the detention of Zaur Dadayev, an alleged killer of Russian opposition politician Boris Nemtsov, RAPSI reported from the courtroom.

The charge against Dadayev is still based on his initial confessions.

Investigation into the case earlier has been also extended until February 28, 2016.

Nemtsov was murdered in central Moscow on the night of February 28. In the 1990s, the politician held a number of high-ranking posts in the Russian Government. In the 2000s, he joined the opposition.

Five suspects were detained in the case, including the alleged murderer Zaur Dadayev, brothers Anzor and Shadid Gubashev, and Khamzat Bakhayev who, according to investigators, provided his accomplices with information and then hid them after the murder. The fifth suspect, Temerlan Eskerkhanov is said to have monitored Nemtsov’s whereabouts. Investigators have not revealed the suspected role of the Gubashev brothers in the crime.

Dadayev initially testified against himself and the other suspects, but later retracted his testimony in court.