Dave Courvoisier Patrick Walker joins us live at rainbow and alta with what investigators know so far. Patrick . Patrick Walker this mornings murder in the middle of this parking lot has come as a surprise to everyone ive spoken with today. And police say they have no witnesses. Its leaving detectives with more questions than answers. brandi giles works out at 24 hour fitness i dont believe it, because its usually pretty quiet on this side of town. Patrick Walker an Early Morning murder outside the 24 alta. Leaving customers shocked. brandi giles works out at 24 hour fitness we grew up here, weve lived in vegas forever, and ive never heard of anything like that happening, especially where i go to the gym every day, thats a little scary. Carlotta Winn lives nearby its a good neighborhood, very good neighborhood, quiet, you know, very good. Patrick Walker detectives say employees heard a single gunshot outside the building around 1 20 am tuesday. And they found a man dead inside a white