John Campbell McTiernan Jr. is an American film director, producer and writer best known for his work in the action film genre. His films include Predator (1987), Die Hard (1988), The Hunt for Red October (1990), Last Action Hero (1993), The Thomas Crown Affair and The 13th Warrior (both 1999).
His career was hamstrung in the mid-2000s after unknowingly lying to an FBI investigator; a crime he pleaded guilty for in 2006. The judgment was vacated, after which he pleaded guilty in 2007 to the original charge and an additional charge of perjury, in regard to his hiring of the private investigator Anthony Pellicano in late 2000 to illegally wiretap the phone calls of two people, one of whom was Charles Roven, a co-producer of his action film remake Rollerball (2002).