"48 Hours: The Last Ride Home" investigates the death of Diane McIver
In "The Last Ride Home," "48 Hours" investigates the death of Diane McIver. She was shot by her husband from the back seat of a car, but what remains to be seen is whether it was a tragic accident or an intentional murder. "48 Hours" correspondent Maureen Maher joined CBSN to discuss the case.