He is serving a life sentence .
Mohamad Ibrahim Shnewer ( 22 ) , Eljvir Duka 's brother - in - law , a Palestinian cab driver from Jordan , was a naturalized United States citizen .
Mohamad Ibrahim Shnewer is serving a life sentence .
Mohamad Ibrahim Shnewer ( 22 ) , Eljvir Duka 's brother - in - law , a Palestinian cab driver from Jordan , was a naturalized United States citizen .