Gangsters' Dirty Money Exposed

Why does London attract so much dirty money? Panorama tracks down a violent Ukrainian crime gang using offshore companies and professionals to hide suspicious wealth in the UK.

An in-depth investigation of leaked documents reveals gangsters, their families and associates taking advantage of offshore secrecy and ineffective money laundering controls to buy luxurious property and expensive works of art.

Reporter Andy Verity follows the gangsters' trail from Odessa to Rome and London.