FILE - In this June 7, 2018, file photo, Thiru Vignarajah, a prosecutor candidate, speaks during a debate in the first three-way debate with Baltimore State's Attorney Marilyn Mosby and Ivan Bates at the University of Baltimore, in Baltimore. Vignarajah, a former Maryland deputy attorney general, is running for Baltimore’s highest office. His announcement Wednesday, April 10, 2019, comes as first-term Mayor Catherine Pugh is embroiled in a political scandal that threatens her political career. (Lloyd Fox/The Baltimore Sun via AP, File)