Photos: Inside Dog-Fighting's Brutal World

(AP Photo/St. Louis Post-Dispatch)

NEW YORK (CBS) Despite a massive sting operation across at least five states that rescued hundreds of dogs this week, dog-fighting continues to rear its ugly head in underground operations around the country.

In this slideshow, Crimesider takes a look at the victims, the perpetrators and asks why does this dirty trade persist?

Photos: Inside Dog-Fighting's Brutal World

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