One of the men involved in the Michael Vick dog fighting scandal got out of prison.  He cooperated with investigators and did not physically harm any of the dogs, however his treatment has generated claims of preferential treatment from many Vick defenders.

Oscar  Allen sold dogs to Michael Vick and he is white.  He cut a plea deal early on and received a sentence much shorter than any of the other defendants who were all African American, but admitted to harming or killing dogs.

A man who sold a female pit bull to Michael
Vick’s dogfighting operation and attended some of the fights
escaped prison time today because he cooperated with investigators
and did NOT physically harm any of the dogs.

A Man Involved in the Michael Vick Dogfighting Scandal Escapes Prison Time