Biographies and Lies is a survivor mission in Undead Nightmare.
Story
John finds Landon Ricketts shooting zombies in Casa Madrugada, he seems to be holding them off fine, and Landon and John talk. Landon states that if they can find something that attracts the zombies, he can combine it with dynamite and make a new weapon to kill zombies with. John then has to make or find a bottle of Nigel West Dickens' Elixir, and Dynamite for Landon. After bringing both to Landon, Landon opens one bottle of the elixir, and tosses it to a nearby zombie, who heads for it. Landon is pleased, and then opens another bottle and sticks dynamite in it and throws that bottle at the zombie. The zombie heads towards it, and it blows up and kills him. After talking some more, Landon gives John some of the Boom Bait, and John completes the mission.