An excellent resource for study of trauma journalism is the Center for Journalism Ethics, School of Journalism & Mass Communication, University of Wisconsin (Madison). Prof. Stephen J.A. Ward directs the center, which houses research, journalist profiles, links to international news organizations and information on industry reform.
http://ethics.journalism.wisc.edu/resources/global-media-ethics/trauma-and-journalists/
http://ethics.journalism.wisc.edu/resources/global-media-ethics/trauma-and-journalists/