Roger Cook, who has died aged 83, made a reputation as Britain’s toughest investigative reporter, initially on BBC Radio 4’s Checkpoint and subsequently The Cook Report on television.

Roger Cook, the investigative journalist whose confrontational reporting made The Cook Report one of British television’s defining current-affairs programs, has died at 83.

In a statement, ITV said: "In a career spanning an incredible five decades, Roger Cook's groundbreaking approach to investigative journalism made him one of broadcasting's most trusted and respected f...