In November 2014, Twitter granted Women, Action, and the Media (WAM!) authorized status to report harassment to the company. In three weeks, WAM! reviewers assessed 811 incoming reports of harassment and escalated 161 reports to Twitter, ultimately seeing Twitter carry out 70 account suspensions, 18 warnings, and one deleted account. This document presents quantitative and qualitative findings from this three-week project. Our findings focus on the people reporting and receiving harassment, the kinds of harassment that were reported, Twitter's response to harassment reports, the process of reviewing harassment reports, and challenges for harassment reporting processes.