He claims to have worked for international aid organizations such as the Red Cross[1][unreliable source?
Miller's images of conflict in Iraq have been published in relation to a controversy where he was kicked out of embed with US forces when he was accused of violating the terms of his embedding by taking pictures of dead and injured soldiers and thereby "[providing the] enemy with an after-action report on the effectiveness of their attack and on the response procedures of U.S. and Iraqi forces".
[5] Photographs that he took in Iraq of dead US Marines after a suicide bomber in Al-Karmah that he posted on his website were discussed on the online forum 'Lightstalkers' followed by a mention in a couple of articles.
[5][6][7] A photograph of his showing one result of the 2004 Indian Ocean tsunami was published by Newsweek.
[8] Miller says he specializes in documenting humanitarian crises In a one-hour[9] television program, as part of the In Harm's Way series about different dangerous professions produced by Warner Brothers.