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By the way, below is a list of cops who were convicted of manslaughter throughout the US and Canada:

Johannes Mehserle (Bay Area), convicted of involuntary manslaughter in 2010, sentenced for 2 years.

Joseph Mantelli (New Mexico), convicted of voluntary manslaughter in 1999, sentenced for 12.5 years.

Scott Smith (Connecticut), convicted of 1st degree manslaughter, overturned.  Pled guilty to criminally negligent homicide, no jail time.

Damien Harmon-Wright (Virginia), convicted of voluntary manslaughter in 2013, sentenced for 3 years.

Bryan Conroy (New York), convicted of criminally negligent homicide, 5 years of probation and 500 hours of community service.

Randy Trent Harrison (Oklahoma), convicted of 1st degree manslaughter in 2013, sentenced for 4 years.  

Jason Blackwelder (Texas), convicted of 2nd degree manslaughter in 2014, 5 years probation.

Michael Ferguson (Canada), convicted of manslaughter in 2006, sentenced for 4 years.