of criminal fraud for coning investors out of millions with her false and misleading claims that she could run hundreds of tests on just a few drops of blood. we d made it possible to run comprehensive laboratory tests from a couple drops of blood. reporter: prosecutors also stressing today the alleged reckless disregard holmes had for patients, some of whom got inaccurate diagnoses from theranos tests. david, elizabeth holmes had pushed for leniency, asking the court for house arrest or 18 months maximum behind bars. the judge today ordering her to report be surrender for prison in april. there will likely be appeals. david? extraordinary reporting on this from the start, rebecca. thank you. tonight to the reported chaos unfolding inside twitter after elon musk reportedly fired half the work force and then gave an ultimatum to the remaining workers. tonight, the mass exodus. workers leaving and reports musk was searching for people who knew how to code to report to