According to the Evidence is a 1954 comedy crime novel by the British writer Henry Cecil.^[1] An ex-army officer and a former criminal join forces to make sure that the man who killed a murderer is acquitted of murder himself.

In 1967, it was adapted into a successful play of the same title by Cecil, Felicity Douglas and Basil Dawson, who had previously co-written another hit adaptation of his novel Alibi for a Judge. This ran for 260 performances at the Savoy Theatre in London's West End.^[2] The cast included Douglas Wilmer, Muriel Pavlow, Naunton Wayne and Richard Warner.