This man died sleeping on Birmingham streets. What happened to his life?

Father of Paul Williams, who died in sub-zero temperatures outside a restaurant in the Bullring centre, searches for answersTwo days after his son’s death, Bob Williams made his way to a semi-industrialised street in central Birmingham to start an emotional journey to discover his missing years.“This is as close as I can get to where he was,” said the 65-year-old retired telecoms engineer, surveying piles of donated food, clothing and bedding at the Birmingham Homeless Outreach