BBC Radio 4's Crossing Continents was broadcast on Thursday, 4 November, 2004 at 1100 GMT.

The programme was repeated on Monday, 8 November, 2004 at 2030 GMT.

Listen to the programme

The trafficking and sexual exploitation of children in Cambodia is rife. Some commentators say it is out of control.

In a fractured society, still recovering from genocide, national sexual mores have broken down.

CAMBODIA'S CHILDREN How one NGO is working hard to protect vulnerable youngsters In pictures

And the domestic problem is exacerbated by the large numbers of sex tourists from both the West and other parts of Asia who see Cambodia as a sexual playground.

Julian Pettifer travels to Phnom Penh and reports on efforts to bring the perpetrators of sex crimes to justice.