NYPD Commissioner James P. O'Neill is leaving; Dermot Shea is taking over

NYPD Commissioner James P. O’Neill, the city’s 43rd commissioner who piloted the department for three years, is resigning, Mayor Bill de Blasio said Monday. Chief of Detectives Dermot Shea will become the new police commissioner, the mayor said. Credit: Charles Eckert, Craig Ruttle