A Hendersonville teen accused of bludgeoning his mother to death with a sledgehammer in 2012 has been ordered to undergo a mental evaluation after allegedly assaulting a jail guard on July 29.
Related: Trial reset for teen accused of bludgeoning mom
The teen's first-degree murder trial has been put on hold as well.
A Sumner County grand jury charged Zachary Davis, 17, with aggravated assault for allegedly causing "serious bodily injury to Bradford Morris," according to an indictment issued Aug. 8.
View more at our news partner's website, tennessean.com.