"digeridoo - The OP does not say otherwise. Please read it more carefully."
The OP states, 'Her crime was to reject her cousin ...' and 'This is what happens when you allow a mysogynistic religion to influence secular law', which has lead others to infer that this killing is done somehow under the rule of law.
"The law allows them to nominate someone to do the murder, then forgive him. "
The forgiving is in relation to the commuting the death penalty to imprisonment, rather than being let off with the crime. That statement is very misleading, though I accept that it's a fault of Reuters and the person quoted, rather than yourself. I'd argue that convictions are rare due to people in communities in the countryside (where the majority tend to happen) being to scared to come forward as witnesses, rather than the fact that a family can commute the death sentence to imprisonment.