The defendant Mubang, a naturalized US citizen, originally from Cameroon, kept a minor girl from Cameroon in involuntary servitude for approximately 2 years. The defendant took the girl from her parents in Cameroon, promising them that the girl, E.C., would receive an American education, and would lead a better life than in Cameroon. She then transported the girl through London using a false passport for E.C.. Once at the defendant's home in Greenbelt, Maryland, E.C. was forced to serve as a nanny to the defendant's sons, was required to cook and clean, and was isolated from the Maryland community, and never allowed to speak with her family back in Cameroon. E.C. slept on the floor and cared for the children around-the-clock. Mubang prohibited her from opening the door of the house, or from leaving the house for any reason other than the completion of specific household tasks. E.C. was never sent to school or allowed to communicate with children her age. Mubang subjected E.C. to continued verbal and physical abuse, often beating her with belts and high-heel-shoes to the extent that the girl would start bleeding, or the girl's skull would ooze fluids from the hits with the high-heel shoe. E.C. escaped from the house while Mubang was at a weekend conference. Notably, about a year prior to E.C.'s enslavement, the defendant had similarly enslaved another young girl from Cameroon. However, she had sent her back to Cameroon, because the girl had started calling the police.  Additionally, after E.C. escaped, Mubang brought over another girl from Cameroon, enslaving her as well. That victim managed to escape as well.

Mubang fled the United States after she was convicted before sentencing took place. She was sentenced to 17.5 years in prison in absentia. In May, 2005, she was caught in Cameroon and sent back to the United States to serve her sentence.