Slide 1 of 11,

About 15 years ago, a group of animal-loving, tattooed bikers in the New York area began acting on behalf of abused animals. The men volunteered at shelters and the American Society for the Prevention of Cruelty Toward Animals, and they tried to solve cases of missing or abused animals that other organizations had neither the time nor the resources to address.

Librado Romero/The New York Times