How Much for a Losted Life?

What's the Penalty for Causing Death?

"An American fighter pilot who mistakenly bombed Canadan soldiers in Afghanistan in 2002, killing four of them, was found guilty of dereliction of duty. He was reprimanded and docked a month's pay or nearly US$5,700".

What's the penalty for causing the death of four innocent victims? Only a fine of less than $10,000. And how long does it take to reach the verdict, while the victim's families waited for the verdict in order to put a closure to the case? - 2 years.