Woman pleads not guilty to murder after human remains found on porch of Lakeshore home

A woman arrested in July and charged with murder after human remains were found on the porch of a home in the Lakeshore neighborhood pleaded not guilty Wednesday morning in Duval County court. Shannon McCarthy, 43, has been charged with sending written threats, tampering with evidence, and the second-degree murder of Heather Sheppard, 43.