I've looked it up:
HB
- has permanent residence in France
- Francophile with ties to Corsica
- 2007 was in Algarve
- 2011, April, arrested in Brindisi for social unrest
- 2011(?) lived in Athens
- 2011 arrested in Igoumenitsa, Corfu, for transporting migrants from Africa, but was released soon after
- 2015 arrested in Thessaloniki for transporting 3 migrants in Corfu and sentenced to 7+ yrs.
- 2015, April 9th, in prison in Chania, Crete, and released in July 2017
- 2016, as from Oct. he uses cell phone of a Balkan woman
- 2017 (May) used the cell phone of a Balkan woman residing in Athens to contact Operation Grange about MM
- 2017 (July) released from prison in Chania, Crete
- 2017 lived in Lamia (NW from Athens) after his release
Main sources:
Η Σκότλαντ Γιαρντ ψάχνει το «μυστικό» της μικρής Μαντλίν στην Αθήνα - Ειδήσεις - νέα - Το Βήμα Online
Στην Ελλάδα «τμήμα» της έρευνας για την εξαφάνιση της μικρής Μαντλίν – Αποκαλυπτικά έγγραφα - LarissaPress