Joseph Casias legally uses marijuana for medical purposes under Michigan's laws, but was recently fired from Wal-Mart after testing positive for the drug, according to the Detroit Free Press. The 30-year-old Casias responded by filing a lawsuit in Calhoun County Circuit Court.
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The Michigan Department of Civil Rights is currently investigating two claims from people who were not hired after disclosing their use of medical marijuana to their prospective employers. According to Harold Core, a spokesman for the department, the state's disability act says that employers can establish hiring policies based on illegal drug use, but it is unclear whether that applies to legal medical use of marijuana.
"It's new legislation," Core told the news provider. "It's still kind of murky."