While attempting to take pictures of the spill, photographer Lance Rosenfield was detained by a BP security goon and someone claiming to be Homeland Security.
Linkins also notes the Mac McClelland report:
Drew Whelan of the American Birding Association was pulled over and tailed by officials whose identities -- were they acting in an official law enforcement capacity or on behalf of BP? -- were blurred.
By the way, say what you will about CNN, but they appear to be the only cable news outfit covering the 1st Amendment violations in the Gulf.