Notice anything "funny" about this police logo?

Before you read the article or the caption on the pic, have a little fun ... go ahead and try to see what might be wrong with the pic. 

The Vermont State Police seal, created by a print shop run by inmates at the state prison in St. Albans, altered the state seal to include the likeness of a pig, seen in yellow, on the cow's shoulder. Decals of the seal are on most state police cruisers. / MIKE DONOGHUE, Free Press 

MONTPELIER — How did an image of a pig — the infamous ’60s-era epithet by protesters for police officers — wind up on a decal used on as many as 30 Vermont State Police cruisers?

State officials Thursday pointed to the failure of the quality assurance office within the Vermont Correctional Industries Print Shop in St. Albans to detect a prisoner-artist’s addition made four years ago to the traditional state police logo. A spot on the shoulder of the cow in the state emblem was modified into a pig. More here:

What's that?  They did this logo in prisons?  Why that's strange, isn't it?  Why would prisoners have anything against the cops?  Very strange ... very strange indeed.