香港《南華早報》報道，2015年1月馬建俾人「雙規」。1月16號，中央紀委監察部網站確認，國安部副部長、黨委委員馬建涉嫌嚴重違紀違法，接受中共調查。2015年3月，北京媒體報道馬建係衰同商人郭文貴勾結。
Hong Kong's South China Morning Post reported that in January 2015, Ma Jian was "shuanggui". On January 16, the website of the Ministry of Supervision of the Central Commission for Discipline Inspection confirmed that Ma Jian, vice minister of the Ministry of State Security and member of the Party Committee, was suspected of serious violations of discipline and law and was under investigation by the CCP. In March 2015, Beijing media reported that Ma Jian had failed and colluded with businessman Guo Wengui.