A juror said Elizabeth Holmes' conviction came down to a pair of 'smoking guns'

A jury's decision this week to convict Theranos Inc. founder Elizabeth Holmes of fraud came down to two "smoking guns," according to one of its members. Jurors in the trial at the U.S. District Court in San Jose focused on a pair of reports Holmes' blood-testing startup gave to prospective investors, Susanna Stefanek, a member of the panel, told The Wall Street Journal. One was a document that appeared to indicate that Pfizer Inc. had endorsed Theranos' technology. The other offered financial projections…