Questions about example sentences with, and the definition and usage of "Jackal"

A: jackal = [literally] an animal similar to a wolf or a dog, which eats carrion (= animals that have been killed by others), [figuratively] a person who does dishonest things; a person who takes advantage of other people's suffering

Dishonest people are already starting to attack the failed Romney campaign, like jackals coming to eat the food that other animals hunted.

A: the only thing that is incorrect is that continue should be continues.