A Texas police officer has sued a 9-1-1 caller for failing to warn the 9-1-1 official (and thus the police officer) that the police responding to the call would be walking into a dangerous situation. The responding officer was attacked by a man at the home who had allegedly been using bath salts for several days.
That dog would not hunt in Tennessee. Tennessee (and most states) have what was historically known as the "policemen and firemen’s" rule which, by the way, applies to female police officers and firefighters as well.
Here is a general statement of the rule from Tennessee’s leading case on point, Carson v. Headrick , 900 S.W.2d 685 (Tenn. 1995):