The state drug lab scandal, originally believed to be limited to Eastern Massachusetts, has grown into a statewide investigation, as possible indirect connections between former state chemist Annie Dookhan and prosecutions in Western Massachusetts are explored.

As part of the inquiry into Dookhan’s actions, led by Boston attorney David E. Meier, all district attorneys have been provided with a list of defendants whose cases may have been affected by Dookhan’s alleged altering of drug tests while she worked at a Jamaica Plain lab.