The Connors family were sentenced in December to a total of nearly 19 years in prison.
They lured vulnerable men off the streets in Nottinghamshire, Leicestershire and Gloucestershire before forcing them into hard labour.
See Rebecca Broxton's report on the day the family were sentenced.
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Six Polish men were found at the two businesses, some living at sites, they are thought to have been paid around £1 an hour.
Tahir Mahmood was detained by Police as he was attempting to climb into the roof space of an out-building at his family’s home.
Family man Mr Javeed was the owner of Digbeth business Direct Source 3 and was shot and killed on February 3.