Lisa infiltrated Umbrella to smuggle out evidence of illegal experiments.

Researchers conduct secret and illegal experiments using stem cells.

You know that you were born as part of an illegal scientific experiment using embryos stolen from your parents.

In this version of the story, however, Umbrella had already been closed down as a consequence of their illegal experiments.

The mission involves the search of incriminating evidence, which would allow the authorities to shut down the illegal genetic experiments taking place.

They had been conducting illegal experiments with it there for more than eight years, apparently.

He was involved with illegal experiments in the Bay area.

They were conducting illegal experiments of some kind.

They were doing illegal experiments, but highly profitable ones.

Hoche detailed how he had taken part in at least one illegal experiment on such a person.