Death penalty for aggravated murder, armed robbery, terrorism, "mercenarism" resulting in death, hijacking, treason and espionage.[59] On 16 September 2005, Liberia acceded to the Second Optional Protocol to the International Covenant on Civil and Political Rights, abolishing the death penalty, but re-introduced elements of it in July 2008.[60][61] Libya 2017[62] 6 n/a Firing squad, shooting.