Due to limited media coverage of the genre at the time, recognition was achieved by word of mouth and through fans distributing tape recordings.

Pentagram was not able to attain the level of recognition to catch the interest of national and international record labels, leading to a drop in motivation and music quality, and ultimately, their split.

On 23 July 2006, Reisenegger was introduced as the new guitarist of the deathgrind project with Shane Embury, Nicholas Barker, and Tomas Lindberg, Lock Up.

[1] Criminal began in 1991 under the command of Reisenegger and Rodrigo Contreras, who were later joined by JJ Vallejo and Francisco "Cato" Cueto.

There he met the vocalist for Extreme Noise Terror, who offered the Chilean a position as the replacement for an absent guitarist for a tour.

The Chilean joined O'Neil on a projected already being planned (Cradle of Filth) with Rob Eaglestone and Mark Rogue of Entwined.