[10] As of 2022, Peker revealed that the favour that secured his release was to turn in a cassette footage of then PM Mesut Yılmaz being beaten up in Hungary because of his gambling debts.
On 31 January 2007, he was again found guilty of building and leading a criminal organization, robbery, forgery, and two counts of false imprisonment, and sentenced to 14 years and five months.
"[17] so on 5 August 2013, Peker was sentenced to ten years in prison as part of the Ergenekon trials; [18] however, he and other convicts (Doğu Perinçek,Kemal Kerinçsiz and Tuncay Özkan) were released a few months later.
[23] He later accused SADAT, founded by retired Brigadier General and former presidential advisor Adnan Tanrıverdi, of being involved in the arms shipment to Al-Nusra Front during the Syrian Civil War.
[24] On December 12, 2021, 140journos released a documentary on YouTube featuring him and some prominent journalists and political figures like former Deputy Prime Minister Bülent Arınç of Turkey.
The documentary touched on the impact of the deep state in Turkey on the political and judicial system and how Sedat Peker's involvement with the government scandals started.