james gerety was sentenced monday to four years and two months in prison for beheading another man with a guitar string after a plea deal that prosecutors said they accepted because of problems with the case .
the victim 's brother , tom gerety , called the justice system ` a joke ' after learning how long harris would serve .
on monday , a judge sentenced harris to four years and two months .
` what 's that tell everybody on the wrong side of the law ? ' other than a portion of the victim 's skull , prosecutors did not have the victim 's body , the murder weapon had not been recovered .