This spreadsheet was released as part of a dataset requested by the city council under Section 17F of the Boston City Charter. See the directory 17F Request #9 in the Google Drive linked to from that tweet.
These records cover a subset of allegations: Conduct Unbecoming, Neg.Duty/Unreasonable Judge, Respectful Treatment, Self Identification, and Use of Force. See this Twitter thread.
See also our help page on Internal Affairs.
|IA No||A particular number may appear multiple times in the spreadsheet, once for each allegation against a particular officer|
|Incident type||Either Citizen complaint or Internal investigation|
|Disposition||e.g. Sustained or Exonerated|