Season 4

1. Sesay/UBU/Barnes

2013-02-11

Matt Allwright looks into the work of fraud investigators determined to catch those who steal from the public purse. And he meets the genuine claimants who deserve government help. Matt meets the fraud investigators who are on the trail of one woman who they believe is using various identities to work illegally in the UK as a nurse and claim benefits to the tune of £180,000.

2. Raymont/Red Cross/Dhindsa

2012-02-12

After 30 years living abroad, Sandra Forshaw returns to the UK and claims benefits, but suspicions are soon raised. And when Oxford City Council launch an investigation, they uncover the real identity of the woman, amid decades of lies. And Matt meets the people who stepped in to help 84-year-old Dorothy during her hospital stay.

3. Ogunsanya/Family Mosaic/Power

2013-02-13

Fraud investigators look into the case of a new father who was left holding the baby.

4. Nicholson/Camelia Botnar/Breach

2013-02-14

An investigation into a council department head unearths a number of ghost employees.

5. Lounnas/Family Fund/Jones

2013-02-15

Ealing Council discover a cache of false identities, forged documents and benefit claims.

6. Arwo/Macmillan/Connor

2013-02-18

A five-year investigation by West Midlands Police reveals a sophisticated fraud.

7. Crane/Action for Blind/Goatley

2013-02-19

Matt meets the Croydon fraud investigators hot on the trail of a £47,000 benefit cheat.

8. Burrell and Hoyle/Ascend/Couchman

2013-02-20

Investigators discover the truth behind a jet-setting couple's lavish lifestyle.

9. Kemp/Reach Out/Brown

2013-02-22

Havering Council discover a £168,000 fraud behind a seemingly single mum.

10. Ikem/Hardwick/Esfandmozd

2013-02-23

Croydon Council learn they have been paying out claims for empty or derelict homes.

11. Dantas/Canine Partners/Lindsell

2013-02-25

Fraud investigators at Brent uncovering a carousel of benefit fraud amounting to £190,000.

12. Glanister/Homestart/Barber

2013-02-26

The story of a finance manager who used taxpayer money to fund her lifestyle.

13. Harrison/Access to Work/Aboutarik

2013-02-27

Croydon Council follows up on a tip-off about a benefit claimant using a stolen identity.

14. Sewell/Disability Dynamics/Iqbal

2013-02-28

Investigators for the NHS discover a financial analyst siphoning off taxpayers' money.

15. 20 Maxwell/Turn 2 Us/Alexander

2013-03-01

Fraud investigators catch a tax dodger who avoided paying hundreds of thousands of pounds.

16. Mooney/Abilitynet/Page

2013-03-04

Matt meets fraud investigators who were on the trail of a Jaguar-driving benefit cheat.

17. Wright/Bibic/Smith

2013-03-05

A benefit cheat tries to avoid paying back what he owes a council.

18. Adogbeji/Enthusiasm/Hussein

2013-03-06

Officers at Southwark Council unwittingly uncover evidence of benefit fraud.

19. Mohamedy/Contact a Family/Careswell

2013-03-07

The fraud team at Ealing call on a handwriting expert to help convict two benefit cheats.

20. Coffey/Papworth Trust/Peake

2013-03-08

Investigators reveal how a family who seemed to have hit hard times were hiding fraud.