BBC Wales Investigates

Rivers in Wales are dying, with sewage, slurry and other pollutants spewing in - but what is the cause, what is the real impact, and where are those whose job it is to protect our rivers? As the clock is ticking and battle lines are drawn, Wyre Davies investigates what and who is to blame.

The Welsh Rugby Union is one of the nation's best known brands. With it, we celebrate pride and passion on the pitch - but what about accusations of a toxic culture off the field, with claims of sexism, bullying and sexual harassment?

For the first time, a former manager talks to BBC Wales Investigates about her time at the WRU, and others share their stories.

Two boys with their lives ahead of them, but who grew up to become killers. A mother describes the moment she realised her son had attacked a stranger. Another says she's now forgiven her mentally ill son for stabbing her and killing his dad in an attack. If lessons identified had been shared, could another death have been prevented? BBC Wales Investigates.

Reporter Charanpreet Khaira goes undercover to investigate how children are being exploited by drugs gangs on social media. She speaks to a victim who tells us how she was groomed online as a teenager and forced into a world of crime and sex abuse. An ex-gang member also reveals how he was involved in trafficking children and feared for his life.