Murder in Red Rock Canyon. Rhonda Pohs Mysteries, #5

Following her husband when he takes a new position, Rhonda leaves Wisconsin behind to begin a new life in Las Vegas, Nevada. Without a job for the first time, she is thrilled when she obtains a position with the Clark County Sheriff's department. To celebrate her new job, she and her husband, Mark, go to Red Rock Canyon for a relaxing day of sightseeing. Even before she is scheduled to begin her job, she finds herself at the center of a murder.
The victim, a college student, has been killed close to the petroglyphs using an ancient Native American weapon,. Have the ancients returned to protect their history or is there a modern-day predator trying to confuse her with the use of ancient weapons?