FILE: Cannabis plants growing at a California cannabis farm.

A former senior official with California’s Department of Cannabis Control is accusing the agency of retaliating against her after she repeatedly warned her superiors about corruption and toxic products being sold in the legal cannabis market, according to a lawsuit filed this week in Los Angeles.

Tanisha Bogans, the whistleblower, was hired in 2022 to run the DCC’s Laboratory Services division, which is responsible for regulating cannabis labs and cannabis testing in the state’s legal market. According the lawsuit filed Monday, Bogans said the agency was aware of reports of numerous problems in the legal market, including products contaminated with pesticides and fentanyl, labs illegally manipulating test results and some license holders engaging in illegal sales and “corruption.”

David Hafner, a spokesperson for the department, declined to comment on the lawsuit’s details, saying in........

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