Is swarms of alligators a literary device

Jackson is a very smart little boy he can count to twenty and is only two years old. complete, run on sentence or comma splice

Cameron, who has an extreme and unreasonable suspicion of other people and their motives, suffers from paranoia which is a psychological disorder characterized by delusions of persecution or grandeur, was absolutely sure that someone was following him even though he was absolutely alone and hadn't seen a car for miles and miles.

Is "words dying" personification? !