Elizabeth Holmes trial: live updates as Theranos lab director testifies

The prosecution will continue calling witnesses in the case against Theranos founding Elizabeth Holmes Friday, following dramatic testimony from Gen. James Mattis, a former board member of the failed biotech startup and Secretary of Defense in the Trump administration.

Theranos founder Elizabeth Holmes' trial to dissect downfall of a tech star

Elizabeth Holmes is about to head into a San Jose, California, courtroom to defend herself against criminal allegations depicting her as the devious mastermind of a fraud that duped wealthy investors, former U.S. government officials and patients whose lives were endangered by a blood-testing technology that never came close to fulfilling her bold promises.

Will Theranos case change Silicon Valley culture?

Jury selection wraps up Thursday in the case against Theranos founder Elizabether Holmes. Court watchers are waiting to see what impacts the trial has on Silicon Valley startup culture.