Kate is a character in DEXTER. She became the neighbor of Dexter and Rita after they moved into a new house following their wedding.
Much of Kate's early life is not known except that she married a man named Elliott Larson and had two children with him.
When Rita and Dexter moved into the neighborhood, Kate and her husband, Elliot, met them and they became friends. Then, after a few weeks, Elliot and his wife start having problems and Dexter and Rita heard them arguing through the windows. This eventually led to their separation and a divorce and she is never seen again.