Updated 3:50 p.m.with comments from U.S. Attorney Richard Callahan.
Updated 12 p.m. on Thursday with comments from the St. Louis Metropolitan Police Department.
This is a developing story. Check back here for updates.
St. Louis Metropolitan Police Sgt. Larry J. Davis and his brother Linus R. Davis have been charged with "diverting seized packages containing marijuana for distribution and sale" according to the United States Attorney's Office.