It is known for its investigations into the activities of Russian Armed Forces in conflicts such as those in Ukraine, Syria, Libya, and the Central African Republic.

According to him, in 2011 he noticed massive fraud in the elections to the State Duma, after which he joined activities of the Russian opposition and started the company to broadcast various events in relation to the Russo-Ukrainian War, particularly the Euromaidan protests in Ukraine.

After the annexation of Crimea by Russia and the start of the war in Donbas, Leviev began to cover and investigate the events in these conflicts, including participation of the Russian military in them.

[10][11] The group collaborates with major global media that publish its investigations, including the BBC, Reuters, Sky News, and Der Spiegel.

[13] CIT, together with Bellingcat, The Insider, and Proekt, provided the real names of the suspects in the poisoning of Sergei and Yulia Skripal in 2018.