 WESTPORT Since 1989, police have been trying to find the killer of Joan Wertkin, a Westport homemaker whose body was found burned in a shopping plaza. Now, authorities are using advanced techniques to reevaluate the case. Lt. Jillian Cabana and Detective Philip Restieri are leading the cold case for Westport Police. We figured, since ... Advanced methods could help solve 33-year Westport cold case... 