Unlicensed immigration advisers have similar methods when dealing with migrants, warned the Immigration Advisers Authority. The Registrar of Immigration Advisers, Barry Smedts, said the Authority had investigated several such advisers in 2013. Some operated from home like Mt Roskill-based Khadijah Lolohea (also known as Khadijah Piu) who offended against 13 mainly Tongan migrants. Others operated…