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Walgreens was considering a partnership with Theranos Inc. when founder Elizabeth Holmes arrived at Johns Hopkins University in the spring of 2011. She brought with her a machine she said could test tiny samples of blood for dozens of conditions and thick binders of data to show its accuracy. A Hopkins scientist told her that his researchers needed to put the device in their Baltimore laboratory to verify the technology on Walgreens’ behalf, and Ms. Holmes agreed to provide one, say people familiar with the meeting. (Weaver and Carreyrou, 5/25)

The lawyers have come knocking at Theranos’s door. A lawsuit filed Wednesday on behalf of an Arizona man alleges that the embattled Silicon Valley company deceptively marketed tests it said would deliver accurate medical results from a finger prick of blood. (Robbins, 5/25)

Startup Theranos is now facing heat from consumers. On Wednesday, a lawsuit was filed in Northern California, accusing Theranos of falsely marketing its proprietary finger-prick blood test.n (O'Brien, 5/25)