Elizabeth Holmes’s Lawyers Attack Prosecution Expert Witness (1)

Lawyers for Elizabeth Holmes attacked the credibility of an Ivy League medical school professor who prosecutors want to testify at her upcoming criminal trial, arguing he’s being used to “parrot” a potentially more damaging witness -- an ex-Theranos Inc. laboratory director.

For a second day, Holmes and her lawyers appeared in-person Wednesday in the federal court where the Theranos founder and former chief executive officer is scheduled to go to trial in August on charges that the blood-test startup once valued at $9 billion was a fraud. U.S. District Judge Edward Davila in San Jose, California, is winnowing the ...