In October 2004 that first album was released under the title Dueños del Universo, in CD and cassette. Right after the release, however, original drummer Fidel Delis leaves and the band starts the search for a new drummer.
In June and August of 2005, Los Asesinos del Penta grama film and release the promotional videos for the songs Dueños del universo and Aún marchan las tropas respectively. In October, the act finally finds a new drummer in the form of Efraín Barreiro, and Los Asesinos del Pentagrama once again play live. At time of writing, Los Asesinos del Pentagrama are working on new songs for a new 7" EP release with 'Legion Of Death' records from France with the line-up of: Derrick Jaramillo (guitars/Throat vocals), Isaac Castillo (bass), Gregorio Ábrego (guitars), and Efraín Barreiro (drums).