Macgamestore has announced Murder, She Wrote (http://www.macgamestore.com/detail.php?ProductID=1410) for the Mac. It costs US$19.95; a demo is available for download.
The game was developed by casual games developer and publisher, Legacy Interactive. Murder, She Wrote is an interactive “seek and find, who-dun-it” mystery adventure with minigames in every scene. You play as the novelist/criminologist Jessica Fletcher and solve each of the five cases by investigating murders using hidden object and light adventure gameplay.
Murder, She Wrote, has over 80 game levels and 25 3D settings. It requires Mac OS X 10.5 or later.