The suspect in the 2019 El Paso shooting, Patrick Crusius, is believed to have written a similar manifesto, professing support for the Christchurch shooter. Posted to the online message board "8chan", it blames immigration to the United States for environmental destruction, saying that American lifestyles were "destroying the environment", invoking an ecological burden to be borne by future generations, and concluding that the solution was to "decrease the number of people in America using resources".