Nassau police said Elizabeth Stern, 52, stole the money while working for Superior Air Conditioning & Heating Systems Inc. in Plainview, using stolen and forged checks to pay off $301,958 in personal credit card expenses. Police said Stern also forged and cashed additional checks from her employer totaling about $38,000. Police could not immediately provide details on what role Stern held at the company — or how she gained access to the checks. Stern was charged with second-degree grand larceny, five counts of second-degree criminal possession of a forged instrument, five counts of first-degree identity theft, five counts of third-degree unlawful possession of identifying information and with first-degree falsifying business records. Crime, News, Elizabeth Stern,