A dentist lets her unqualified boyfriend operate on her patients and pocket £120,000, a man sells dodgy student exemption certificates, and we look into the anatomy of an NHS fraud.

A school mops up taxpayer cash pretending to employ 40 cleaners, a union rep rips off her members and the NHS, and a man is guilty of illegally dumping 14,000 tonnes of waste.

Three brothers with a hospitality empire pinch £3 million of taxpayer cash, a GP steals more than £1 million, and a couple claiming disability benefits are filmed walking unaided.

A gang evade £3 million in tax by selling illicit petrol, a manager steals from his own taxpayer-funded charity to buy holidays, and a takeaway owner cheats HMRC out of £170,000.

A tax scam nets fraudsters over a million pounds, a benefits cheat feigns disability to steal thousands, and a council tenant tries to bag a house at a knockdown price.

A couple overcharge the council £400,000 in a care home staffing scam, a man illegally sublets his council house to his children, and a woman claiming she can’t work has two jobs.

A gang steal £16 million smuggling booze into the UK, a fraudster ditches the crutches to walk home with his benefits, and a dentist fabricates patients to steal thousands.

A former Inland Revenue employee steals £7 million from HMRC, a woman claims a council flat while letting her home, and a benefit scrounger fakes single status to max her claims.

A golf pro cheats the public purse out of thousands, a benefits cheat is caught performing as an Elvis impersonator, and a conman invents 188 fake kids to steal nearly £2 million.

A removals boss films himself smuggling two million cigarettes into the UK, a fraudster poses as a single mum for £100,000 of benefits, and a GP practice manager defrauds the NHS.