**_When electrocuted killers come back_** In the late ’80s several movies were made about a violent criminal being executed by electric chair and coming back with a vengeance. “Prison” and “Destroyer” preceded this one by a year and it was followed by “Shocker” six months later and “The First Power” six months after that. I suppose it’s most similar to Wes Craven’s “Shocker,” minus the sense of humor, yet beat it to theaters. Ironically, it heavily borrows from Craven’s “A Nightmare on Elm Street” flicks but isn’t anywhere near as effective. It was originally conceived as the third film in…