A police news release revealed Wednesday that a 5-year-old boy was playing with a .22-callibur rifle when he accidentally shot and killed his 2-year-old sister. 

The incident occurred in the small town of Lebanon, Tennessee. 

To make matters worse, Complex Magazine reports that the 5-year-old was given the gun as a gift. 

The shooting was ruled an accident. 

Photo credit: Flickr.com/krazydad