Negri Sembilan police chief Datuk Mohamad Mat Yusof told the press on Thursday that the police would be deploying a helicopter equipped with thermal imaging cameras to try and detect the Irish teen, who was reported missing from a holiday resort in Pantai Hills on Sunday.<br /><br />He added that police have already made voice recordings of Nora Anne Quoirin's mother and family members which would be played using loud hailers while combing the forest surrounding the resort.