supporting the needs of our students and their families as well. >> newark school superintendent roger leonanks again for your time. >> thank you, geoff. >> woodruff: elizabeth holmes, founder of the blood testing company theranos and a one-time darling of silicon valley, has been convicted of fraud. the verdict came down last night in the closely-watched case and trial that rippled beyond the tech world. stephanie sy has more. >> sy: judy, elizabeth holmes was found guilty on four charges of fraud, for lying to investors about the effectiveness of her blood testing device. she was acquitted on four other counts related to defrauding patients who used the test. the jury could not reach a verdict on three other fraud charges. for more on the wider implications, i'm joined by margaret o'mara. she is a history professor at the unersity of washington, and author of the book “the code: silicon valley and the remaking of america.” professor o'mara, thank you for joining the "newshour". i want to remind viewers that elizabeth holmes was a media sensation when she first pitched theranos as a disrup