investigators took the dogs' reaction almost as evidence that madeleine had died in the apartment and somehow her parents had concealed her death and then concealed her body. >> some people speculated the mccanns' friends assisted the mccanns in disposing the body and covering up the crime. this was a rumor members of the group vehemently denied. >> a family spokesperson gave a press briefing this morning saying that kate and gerry mccann have become very uncomfortable with the level of media scrutiny. however, they did address the one theory that madeleine had been killed by sleeping pills, saying that they categorically deny ever giving any sleeping pills to their children. >> philomena mccann, did your sister-in-law, kate, say anything to you about the possibility that she would be charged? >> she just said that it remains a possibility, but that was all she knew. >> kate mccann experienced hours and hours of interrogation by the portuguese police.