[When Photographs Become Evidence](http://lens.blogs.nytimes.com/2015/11/05/when-photographs-become-evidence/?module=BlogPost-Title&version=Blog Main&contentCollection=Multimedia&action=Click&pgtype=Blogs&region=Body&_r=0)

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The decision to drop charges against Robert Stolarik for interfering with an arrest he had been photographing in the Bronx in 2012 and instead to prosecute an arresting officer came after prosecutors scrutinized the physical evidence: Mr. Stolarik’s digital images.