The Ministry of Defence has refused to say whether the five referred to the counter-terrorism programme are still serving in the armed forces.
Serco has been fined millions of pounds by the Home Office for failing to meet the terms of its contract to provide accommodation for asylum seekers in Scotland and Northern Ireland.
Torture victims and vulnerable women were among hundreds of asylum seekers forced to make 400-mile round trips from Scotland to England to make fresh claims for sanctuary in the UK.
More than 200 British citizens in Glasgow underwent spot checks by immigration officers in 21 months, prompting claims the Home Office has been conducting racial profiling.
A new report by an influential Westminster committee accuses the UK government of "serious failings" in the detention of immigrants.
Hackers have brought down the computer system at Scotland's only immigration detention centre prompting an investigation by Police Scotland.
Destitute asylum seekers in Scotland are not getting proper healthcare because the UK government denies them recourse to public funds, according to a new report.
Glasgow City Council's auditor is to investigate emails suggesting managers knew that a private company planned to change the locks of asylum seekers' homes.
Dozens of torture victims detained at Dungavel immigration centre have been refused release despite doctors' concerns over their mental health.