FIRST IN A NEW SERIES You know the theory that ghosts are energy trapped when someone dies violently? It’s true. I know it for a fact....   My name is Jensen Murphy, and thirty years ago, I was just an ordinary California girl. I had friends, family, a guy who might have been the One. Ordinary—until I became a statistic, one of the unsolved murders of the year. Afterward, I didn’t go anywhere in pursuit of any bright light—I stayed under the oak tree where my body was found, and relived my death over and over. So when a psychic named Amanda Lee Minter pulled me out of that loop into the real world, I was very grateful.   Now I’m a ghost-at-large—rescued by Amanda (I found out) to be a supernatural snoop. I’m helping her uncover a killer (not mine—she promises me we’ll get to that), which should be easy for a spirit. Except that I’ve found out that even ghosts have enemies, human—and otherwise…