In this July 27, 2016, file photo, Baltimore State's Attorney Marilyn Mosby, right, holds a news conference near the site where Freddie Gray was arrested after her office dropped the remaining charges against three Baltimore police officers awaiting trial in Gray's death, in Baltimore. Mosby will no longer prosecute any marijuana possession cases, regardless of the quantity of the drug or an individual’s prior criminal record, authorities announced Tuesday, Jan. 29, 2019. (AP Photo/Steve Ruark) ** FILE **