Robert Louis : Killing of two NYPD officers could not have come at a worse time for the city . New York is already embroiled in a bitter public battle over police - community relations , he writes . Critics of mayor link Saturday killings to his support of protests over the shootings . Louis says that ` ` ' '' but says mayor should have avoided violent acts .
Errol Louis : Killing of two NYPD officers could not have come at a worse time for the city . New York is already embroiled in a bitter public battle over police-community relations , he writes . Critics of mayor link Saturday killings to his support of protests over police shootings . Louis calls that `` farfetched '' but says mayor should have disavowed violent rhetoric .