The count
Statisticians from the Bureau of Justice Statistics used the following primary source to ID 'arrest-related' deaths in each US state for the year 2011. Citing a lack of participation with relevant data, the bureau shut down the counting project last year.
Media only
Alaska
Arizona
Connecticut
Delaware
Florida
Hawaii
Idaho
Illinois
Indiana
Iowa
Louisiana
Maryland
Michigan
Minnesota
Mississippi
Montana
Nebraska
New Jersey
New York
North Dakota
Ohio
Pennsylvania
Rhode Island
South Dakota
Virginia
West Virgina
Direct law enforcement agency report
Alabama
District of Columbia
Kansas
Missouri
New Hampshire
Nevada
Tennessee
Vermont
Direct medical examiner’s/coroner’s report
Colorado
Maine
Massachusetts
New Mexico
North Carolina
South Carolina
Washington
Arrest Related Death program staff
Arkansas
Georgia
Wisconsin
Wyoming
National Violent Death Reporting System
Kentucky
Oklahoma
Oregon
Utah
Legislative mandate
California
Texas
SOURCE: Bureau of Justice Statistics