Sylvester Yost is the name of the man identified from the security discs at the Palace Hotel. He had been arrested once at the age of twenty for assault and had been of interest in several strangulation murders more than fifteen years ago. Yost killed for personal reasons and for professional reasons. He was a hired assassin who had accepted a contract to kill Darlene and others. Yost is fifty-six years old and is considering retirement. He lives well and is widely traveled. He is fluent in three different languages. He collected postcards when he traveled and kept them in a scrapbook.