behind this attack. prosecutors haven t yet come up with a clear motive, but there are growing questions about the suspect s mental state. a syrian man with refugee status in sweden, he d been living homeless in annecy for months. his claim for asylum here in france had been rejected just a few days ago. he s due to have a psychiatric assessment today. the suspected attacker entered france legally last autumn, but it hasn t stopped the debate over immigration flaring up here again. the thorns of french politics poking through the tributes. lucy williamson, bbc news, annecy. there s a warning today that public trust in police forces is hanging by a thread and that substantial reform is needed. in his annual report, the chief inspector of constabulary for england and wales says police forces are experiencing what he called one of their biggest crises in living memory .