Polisi ivuga ko abo bishwe bari bafite ibyangombwa "bicye cyane", kuburyo abapolisi byabasabye kugenda bareha aho baba bakoze n'intoki zabo, ibizamini bya DNA ndetse n'ibibaranga by'umwihariko nko kwishushanyaho ku mubiri (tattoos) cyangwa inkovu.
