Here are 2 stories that I found in one Google search, less than 30 seconds:

http://www.oregonlive.com/environment/index.ssf/2016/12/oregons_poaching_problem_sprea.html

http://www.oregonlive.com/pacific-northwest-news/index.ssf/2010/11/study_show_ssurprising_rate_of_mule_deer_poaching.html