Mr. Ehrmann shrugged off allegations that his artistic activities have brought down property prices around his house, saying that any such conclusion would have to be verified by other experts.
This conclusion is based on evidence provided by forensic experts and CCTV footage obtained from a network of surveillance cameras installed by the Karachi district government in sensitive areas of the city.
MPs were still considering a variety of evidence from experts and confidential sources and it seemed "premature to jump to a conclusion", he told BBC Radio 4's Today programme.