A Knoxville man is being held without bond for making bomb threats against law enforcement.  Knoxville Police say 36-year-old Nathan Lee Adams called 911 at 12:39am Tuesday and threatened the dispatcher and said he would put bombs in the homes (10/15)and vehicles of three officers, whom Adams specifically named.  On Wednesday (10/16), Knoxville Police searched Adams’ home.  While they didn’t find any explosives, they did find a malnourished dog with its two rear legs broken and a puncture wound on the top of its head.  Adams is charged with making a threat to place an explosive device, four counts of harassment, animal torture and possession of drug paraphernalia.