The victim, Ms. Liu, was an employee of Shenzhen Mountain Wood Training Center. She started working there in late December 2009 as an English instructor and also worked at the front desk. On the afternoon of May 2, 2010, Ms. Liu reached a job intention with Dongguan Ouno Enterprise Planning Co., Ltd after passing an interview. On the afternoon of May 3, the victim Ms. Liu submitted her resignation to Mr. Song Shanmu, who tried hard to persuade her to stay, but was refused by Ms. Liu. Around 7:30 PM that evening, Mr. Song Shanmu called Ms. Liu to his office, where he failed again in persuading her to stay. Then, he asked Ms. Liu to go to a place to clean up. Around 8 PM, Mr. Song Shanmu drove Ms. Liu to Room 809, Building 3, Songquan Apartment on the north side of Taibai Road in Luohu District, Shenzhen, which belonged to him. After entering the room,