When a man gets angry, his body prepares for a fight, and his heart speeds up. When a man is frightened, his body prepares for flight, and his heart speeds up. This much is familiar medical fact. But ...

Columbia, South Carolina (CNN) — On a dark, drizzly morning this fall in rural South Carolina, a team of federal agents wearing tactical gear quietly assembled for a mission that was part raid, part ...

And recently, federal interest in the blood sport has spiked. Last year, federal officials seized roughly 400 dogs from suspected dog-fighting rings, more than in any other year since at least 2007, ...