NEW : FSA , LCC and human rights experts had been working for last week 's on a code . But as the rebel army has evolved , reports have surfaced of mistreatment by rebel fighters as well , including CNN 's own reporting on a rebel-run prison last week . NEW : The effort was accelerated after months reports of executions . More than two dozen commanders and battalions signed the pledge . The fighters vow to shun looting , sectarian violence , torture and public executions .
NEW : FSA , LCC and human rights experts had been working for last week 's on a code . NEW : The effort was accelerated after months reports of executions . More than two dozen commanders and battalions signed the pledge . The fighters vow to shun looting , sectarian violence , torture and public executions .