Capital punishment in the United Kingdom espionage from "all spies for the enemy" to spies on naval ships or bases. Later, the Armed Forces Act 1981 abolished the death penalty for espionage. (The Official Secrets Act 1911 had created another offence of espionage which carried a maximum sentence of fourteen years.) Beheading was abolished as a method of execution for treason in 1973. Hanging, however, remained available until 1998 when, under a House of Lords amendment to the Crime and Disorder Act 1998, proposed by Lord Archer of Sandwell, the death penalty was abolished for treason and piracy with violence, replacing it with a discretionary maximum
High treason in the United Kingdom sentence of life imprisonment instead of death (but today, due to the abolition of the death penalty, the maximum penalty both for high treason and treason felony would be the same—life imprisonment). Under the traditional categorisation of offences into treason, felonies, and misdemeanours, treason felony was merely another form of felony. Several categories of treason which had been introduced by the Sedition Act 1661 were reduced to felonies. While the common law offences of misprision and compounding were abolished in respect of felonies (including treason felony) by the Criminal Law Act 1967, which abolished the distinction between misdemeanour and felony,