In April 2005, their next album The Code Is Red...Long Live the Code was released. It features guest appearances from Jeffrey Walker (Carcass), Jamey Jasta (Hatebreed vocalist) and Jello Biafra (formerly of Dead Kennedys, and Lard among many other bands). The album continued the band's progressive approach to their brutal brand of extreme metal, with their trademark grindcore sound retained. Also in 2005, Embury and Herrera joined the extreme metal band Anaal Nathrakh for one tour.  Napalm Death finished recording their follow-up album titled Smear Campaign in June 2006, and it was released on 15 September 2006 to strong reviews from fans and critics alike. The main lyrical focus is criticism of the United States Government and other governments who are strongly religious. The album features a guest appearance by Anneke van Giersbergen, vocalist for the Dutch rock band The Gathering. There is a limited edition digipak version of Smear Campaign, which has two new songs, "Call That an Option?" and "Atheist Runt". They played a series of headline shows in support of the release including the Koko in Camden with Gutworm.  In early 2006 Napalm Death headlined a tour with Kreator, A Perfect Murder, and Undying. On 27 August 2006, Jesse Pintado died in a hospital in the Netherlands due to liver failure, prompting Mitch Harris to express his sadness at the loss of someone he thought of as "a brother" on the band's official website. After the Smear Campaign tour, the band did a 2007 "World Domination Tour". Bassist Shane Embury is currently working on a project with Mick Kenney of Anaal Nathrakh, their work together will be released on FETO Records at the end of 2007. In November 2008, Napalm Death's fourteenth studio album, entitled Time Waits for No Slave, leaked onto the internet; it was officially released on 23 January 2009. Similar to Smear Campaign, Time Waits For No Slave also had a digipak version containing two extra songs ("Suppressed Hunger" and "Omnipresent Knife In Your Back").

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