searching for his mum who vanished without a trace more than 40 years agoArchie Moody has not seen his mum Margaret Bell Poland Docherty Moody since 1977 at their then home in Motherwell.The 31-year-old was married with seven young kids and living in the town's Clapperhow Road.After a row with her husband David, Margaret walked out of the house never to be seen again.Archie hopes the power of social media can bring him the answers he's been searching for for 44 years.He has posted on missing