Lead rapper Everlast went on to pursue a solo career as a blues rock artist and member of the supergroup La Coka Nostra which also featured DJ Lethal.

Wells novel The Island of Dr Moreau, a reference carried further by the naming of their 2011 tour He Who Breaks the Law; however, they initially became aware of the phrase via the Oingo Boingo song "No Spill Blood", of which they were fans.

O'Connor knew Schrody when he went to William Howard Taft High School in Woodland Hills, California (1984–1986), and various hip hop events they attended in their teens.

Schrody would become the lead rapper, while O'Connor acted as the hype man, second emcee, art director and the graphic artist of the group.

The label they chose was Tommy Boy Records, who credited O'Connor's art work with having initially caught their attention.

[13] Matt Carlson of The Michigan Daily found the album quite good and noted "the music is laid back with some heavy driving forces underlying and strengthening it".

[15] Roger Catlin of the Hartford Courant said that while finding the continuity monotonous it's "hard and compelling" as well as a "strong outing".

[17] Music critic Robert Christgau, who did not like their previous and subsequent album, gave it an A− and described it as "the hardest hip hop of the year".

In late 2004, the creation of the rap supergroup La Coka Nostra started when O'Connor was mentoring young artists.

He took notice of two up and comers which included George Carroll (Slaine) and brought them to meet his former DJ from House of Pain, Leor Dimant, who at the time was working on a compilation album and championing a new artist as well.

After accepting, O'Connor felt that there was a void and asked experienced rapper William Braunstein (Ill Bill) to join.

Eventually, O'Connor received a letter from former House of Pain colleague Erik Schrody, who asked if he could join.

[26] Andrew Kameka of HipHopDX wrote that "the album is a mostly solid effort and exactly what someone would expect from a supergroup of like-minded members known for high-energy music".

[27] Adam Kennedy of the BBC while praising some the moments of the album said "it’s a tantalising parting taste of potential capabilities, yet until they improve a customer satisfaction hit rate that barely troubles one in three tunes here".

[31] On March 2, 2012, it was announced that Schrody would be leaving La Coka Nostra due to his daughter's medical issues,[32] while O'Connor and Dimant pursued two more project with the group Masters of the Dark Arts (2012) and To Thine Own Self Be True (2016).

[33][34] House of Pain reunited at a private event held by UFC president Dana White in Boston on St. Patrick's Day 2009.

Though Dimant is still a member of the group, he did not join them on their 2011 reunion tour due to prior obligations with Limp Bizkit.