She calls herself the "Graffiti Grandma," and now a Washington Heights resident is speaking out after she said she was arrested in April for simply writing a message on the side of a boarded-up building — using chalk. Amid ongoing protests and growing concerns regarding policing during the COVID-19 pandemic, the NYPD is now facing outcry for a different kind of arrest that landed Jill Nelson behind bars. Nelson, an author, said she was walking down a block in her neighborhood when she passed the business that has green plywood all around it. She pulled out a piece of chalk...