Institute for Legal, Legislative and Educational Action
This will come as no surprise to those of us who know cops on the street. Quoting from the article "Breaking down the results, it's important to note that 70 percent of respondents are field-level law enforcers - those who are face-to-face in the fight against violent crime on a daily basis - not office-bound, non-sworn administrators or perpetually-campaigning elected officials." Also quoting from the article "1.) Virtually all respondents (95 percent) say that a federal ban on manufacture and sale of ammunition magazines that hold more than 10 rounds would not reduce violent crime."
Click on the hyperlink for the full survey, charts, graphs, and other info that you already knew.