Bouhlel smuggled £84,000 to his family in Tunisia DAYS before murdering 84 in Nice
- Family of 31-year-old father of three say he was an angry and violent man
- Father said he stopped talking to relatives and given drugs for depression
- He added Bouhlal was in a bad state of mind after separating from his wife
- Days before the attack he send money he had saved in France to Tunisia
- Despite killing 84 and ISIS claiming responsibility, brother says 'he is not a terrorist'