Fall prey to (someone or something) American British informal verb phrase
to be harmed or affected in a bad way by (someone or something)
These days more and more people fall prey to cybercrime especially elder people.
Thousands of businesses are falling prey to the influence of COVID-19.
There are people who still believe that rhino horns can treat cancers, therefore rhino has been falling prey to the smugglers.
Some parents are worried their children will be fallen prey to violent video games.
The phrase starts with a verb, therefore "fall" should be conjugated according to its tense.