When does the punishment fit the crime? Was it a crime?

Hell no!  It was an accident!  There was no intent to kill anyone... 

Isn't it high time we stop wanting to prosecute every accident?  This case should never had gone to trial...a board of inquiry, sure, ...this is not a criminal act.  Some form of disciplinary punishment may be warranted but certainly not life ruining imprisonment.  One life was already ruined, now you want to ruin two...c'mon it was an accident, this guy is not a criminal.

During the trial of Edward Fleury, jurors were shown the video of the Uzi shooting death of Christopher Bizilj, 8, and the testimony of his father Dr. Charles Bizilj.

Jury at Edward Fleury trial gets close look at Micro Uzi that killed 8-year-old Christopher Bizilj ~  MassLive

SPRINGFIELD - Jurors in the involuntary manslaughter case against former Pelham Police Chief Edward B. Fleury Thursday got a close look at the Micro Uzi machine gun that ended the life of 8-year-old Christopher Bizilj as a state police ballistics expert said it was inherently too dangerous for a small child to handle.
They also heard the teen who directed Christopher at the firing line say he told the boy’s father twice that the gun was too dangerous for a child to fire.
Michael Spano, now a 17-year-old from Milford, Conn., said during the Oct. 26, 2008, machine gun show at the Westfield Sportsman’s Club he warned Charles Bizilj, Christopher’s father, that the Micro Uzi “kicks hard and shoots fast.” Bizilj wanted his sons to shoot “full automatic” weapons, Spano said.
Prosecutors maintain Fleury was responsible for illegally allowing the underage boy to fire a machine gun at an exhibition ...Read full story here MassLive