03/11/2013 10:34 am ET Updated May 11, 2013

Denver Police See More Violence Associated With Graffiti In Mile High City

To passers-by, the graffiti that stains the streets of southwest Denver can look like an alphabet soup of colorful scribbles and lines. But to the detectives who must track and decipher it, the tags tell a very different story, one with increasingly violent undertones.

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