They show that the gendarmes were aware that Dutroux was building cells in some of his houses for holding children , yet this information was either not passed on to other police forces searching for the missing girls or was overlooked when it was .
<response> They show that the gendarmes were aware that <person>Dutroux</person> was building cells in some of his houses for holding children , yet this information was either not passed on to other police forces searching for the missing girls or was overlooked when it was . </response>