[3] Jaume Martínez Vendrell, the leader of the military wing of the National Front, became its commander.
[4][5] EPOCA trained its militants in urban warfare techniques, smuggling in weaponry from Switzerland.
[7][8] In this way, the group assassinated in 1977 the industrialist and chemical tycoon José María Bultó, and in 1978 the ex-mayor of Barcelona, Joaquín Viola, along with his wife.
[13] Two of them were tried in 1980; one was acquitted entirely, whilst Martínez Vendrell, the other, was sentenced to a year and three months in prison, although this was not directly related to the assassinations.
[16] A number of additional arrests were made towards the end of 1980 in connection with the construction of the bombs that were used in the killings.