On 24 January 2023, in different villages of Dzhankoy district of Crimea, the FSB officers conducted searches of Crimean Tatars. As a result, six people were detained and transferred to Simferopol, including Khalil Mambetov. The next day, the court sent all six to pre-trial detention centre. Lawyers who wanted to help the detainees were not allowed to attend the hearing to decide on the measure of restraint, because they were already defending other defendants in the Hizb ut-Tahrir case. Local residents gathered outside the court building, and police detained more than 30 people. Khalil's cancer-stricken wife said that he has osteoarthritis - but they do not give him medication. During the visit, the spouses were forbidden to speak Crimean Tatar. On 22 August 2023, the case came to the Southern District Military Court in Rostov-on-Don and is currently being considered there.