By BARNEY SAMUELS

FACT- based crime drama about the police investigation back in 2004 to catch and bring to justice serial killer Levi Bellfield.

The case begins when the dead body of a French student is discovered on Twickenham Green, having sustained fatal head injuries.

Martin Clunes stars as DCI Colin Sutton of the Metropolitan police, who is placed in charge of the investigation.

Disturbing and yet fascinating watch that will keep you glued to your set.