The Department of Justice recommendation, made in a court filing, came as Holmes prepares to be sentenced next week."Considering the extensiveness of Holmes' fraud... the sentencing of 180 months' imprisonment would reflect the seriousness of the offenses, provide for just punishment for the offenses, and deter Holmes and others," the prosecutors said.On Monday, Davila rejected her requests for a new trial, including over a claim that a key prosecution witness visited her at home and made statements that undermined his testimony.The company was once valued at $9 billion, and Forbes magazine estimated Holmes' net worth at $4.5 billion in 2015.Theranos collapsed after the Wall Street Journal published a series of articles, starting in 2015, that suggested its devices were flawed and inaccurate."