LIES!! This is obviously left wing democratic propaganda!
If you dig deeper into the data, you'll see that cancer is the least of their problem. Most of them will not survive their current trauma to head and body from various weapons, repeated electricution, incineration, and psychological damage to the mind.
Raising concern of their cancer is merely a smoke (punt) screen to further the social engineering agenda to tolerate criminal activity, expansion of police expediture, and the curtailing of superhero activities that have done so much to improve the safety of this city.