Mimic

In the film, an entomologist named Susan Tyler who is famous for inventing a new genetic with aim is to create an insect to kill one species of cockroach carrying a disease that could create a terrible outbreak. The life cycle of this species is short, and after the completion of the task, they were forgotten in the ground. Three years later, in the sewers of Manhattan city, variation of this species comes back, instilling new horrors.