professor hugh pennington, thank you for joining professor hugh pennington, thank you forjoining us.nvestigating the disappearance of madeleine mccann has confirmed they are treating the case as a murder inquiry. a 43—year—old german suspect, who's in prison for sex offences, was known to be in the portuguese resort of praia de luz when the three year—old went missing 13 years ago. he's been partially identified as "christian b", using just the first letter of his surname. our europe correspondent gavin lee is in a village in the algarve where the suspect is believed to have lived. it's a village about ten kilometres from praia da luz and the property behind me is one of two houses where the suspect known as christian b is said to have used. local media and much of national media reporting that one of these properties — this one behind me — was used for drug dealing, that he was a known criminal. from 1995 to 2007, large parts of his lifestyle, travelling around — a transient life, we are told by police — in this minivan, this volkswagen westfalia minivan — which police have issued a