Three former executives of a company that makes machines that test lead levels in humans have been accused of deliberately concealing a problem with the devices that produced falsely low
The US attorney's office announced Wednesday several charges against Amy Winslow, Reba Daoust, and Hossein Maleknia, who used to work in leadership roles at Magellan Diagnostics of Billerica.
Three former Magellan Diagnostics executives are accused of deliberately concealing its distribution of defective lead tests, returning falsely low results from thousands of children.