Jessica Beatrice Fletcher (born Jessica Beatrice MacGill, known as J.B. Fletcher when writing) is a character and the protagonist on the American television series Murder, She Wrote.Portrayed by award-winning actress Angela Lansbury, Fletcher is a best-selling author of mystery novels, an English teacher, amateur detective, criminology professor, and congresswoman. In 2004, Fletcher was listed in Bravo's "100 Greatest TV Characters". AOL named her one of the "100 Most Memorable Female TV Characters". The same website listed her among "TV's Smartest Detectives". She was ranked at number six on Sleuth Channel's poll of "America's Top Sleuths". Guinness World Records called her the "most prolific amateur sleuth".