During the NDRC's performance evaluations of civil servants in 2006, Liu was put up for promotion, but was allegedly rebuffed by some of his colleagues for his apparently "arrogant" behavior.
At around 11pm on Saturday, May 11, 2013, Liu and his wife Guo Jinghua were taken into custody from their Muxidi-area apartment in Beijing[REF] by the Central Commission for Discipline Inspection (CCDI).