On Friday, Santa Clara County Sheriff's officials announced that 19-year-old Jennifer Hernandez Jimenez was arrested the day before.
Flovais Douglas, also known as Miss Flo, died Oct. 8 from injuries she suffered in an attack at her home the month before.
One person, 19-year-old Zachary Omar Cuen, was arrested in connection with her death in November.
Stay with ABC7 News for the latest details on this developing story.