Description: Mrs. Columbo (later called Kate Columbo, Kate the Detective, and Kate Loves a Mystery) is an American crime drama television series, initially based on the wife of Lieutenant Columbo, the title character from the television series Columbo. Kate Columbo (later renamed Kate Callahan after an off-screen divorce) is the wife of Lieutenant Columbo, the title character from the television series Columbo. Kate is a news reporter who solves crimes while raising her daughter.