The movement to stop prosecuting low-level crimes gained momentum during the COVID-19 pandemic, and Baltimore’s chief prosecutor Marilyn Mosby was among those leading the way. Early in the pandemic, as courts drastically cut operations, Mosby stopped prosecuting nine low-level offenses—including drug possession, prostitution, and trespassing—so her prosecutors could focus on serious crimes. Then in March, Mosby appeared to be the first state prosecutor in the country to make the no-prosecution policy permanent. She said her policy had cut numbers of both arrests, and incarceration, without endangering public safety, often citing a John Hopkins University study to support her view. Her model, along with the Hopkins study, has been used by other state prosecutors to push similar changes in their jurisdictions. For example, Georgia’s Dekalb County chief prosecutor, Sherry Boston, told The Epoch Times that she was considering following Mosby’ footsteps to make a similar policy permanent. But Mosby’s cost-and-benefit analysis …