Lawless Britain: Where Are the Police? – Dispatches, C4, 8pm
HAVE you been burgled, robbed or assaulted but feel that the police brushed you off? You’re not alone. Dispatches hears from victims of crime who claim that the police have failed to investigate their cases fully, if at all. These are stories of violent attacks, homes broken into, property vandalised and family businesses left to fend for themselves against thieves. Exclusive research featured in the programme raises concerns that Britain is sliding into a new era of policing.

Old People’s Home for 4-Year-Olds, C4, 9pm
LARK Hill, on the outskirts of Nottingham, features a specially built nursery where the classmates’ ages range from three to 102. It’s the setting for a three-month experiment inspired by the success of series one. That took place in Bristol, and the second run features older pensioners, and the nursery runs for twice as long. Geriatric specialists will measure the impact of pre-schoolers on the mood, memory and mobility of the older group, while a child development specialist will oversee proceedings.

Fashion’s Dirty Secrets: Stacey Dooley Investigates, BBC1, 9pm
IN an age when stores can make a fortune selling cheap clothing to cash-strapped customers, it seems like a win-win situation for everyone. But when Stacey Dooley’s name is attached to any project other than Strictly, you know there’s a dark side to it. She travels the world to see how toxins released by the garment industry are polluting waterways millions rely on. There’s a jaw-dropping moment when she sees what was the Aral Sea. Once one of the world’s largest bodies of fresh water, it has been reduced almost to dust.

Black Earth Rising, BBC2, 9pm
BLAKE Gaines, who has been handling Patrice Ganimana’s defence, seems to be in danger of falling foul of those paying his legal fees, while Alice Munezero tells Michael for the first time of her connection to Rwanda president Bibi Mundanzi. Kate’s rift with Michael deepens and she becomes increasingly driven to help the Rwandan government as it tries to extradite Ganimana to face justice.