Jeff
You have an immature or young nymph of an Assassin bug. Tho the young look much like the adults, they do not have all the characteristics and full wing patterns to know for sure which one. The red fang you mention is the mouth...known as a piercing/sucking mouthpart that sucks the juices out of its prey.
Assassin bugs are great predators in the garden feeding on the pest insects. So, put it back out on the chain link fence and let it do its preying, killing some of the pest critters.
