Package bomb injures United Airlines president Percy Wood at home near Chicago. Janet Smith, secretary, injured at Vanderbilt University in Nashville by bomb addressed to a computer science professor. John Hauser, a graduate student in electrical engineering, injured by bomb found in Berkeley computer room. Psychology professor James McConnell and assistant Nicklaus Suino injured by bomb addressed to McConnell at University of Michigan at Ann Arbor. Bomb kills Hugh Scrutton near his Sacramento computer store.
Unabomber sighting leads to police sketch.
California Forestry Association president Gilbert P. Murray killed by package bomb in Sacramento office. Threatens to bomb unspecified location if it is not published. In letter to San Francisco Chronicle, Unabomber threatens attack on a flight out of Los Angeles. Post, Times publish manifesto. Kaczynski charged with a federal weapons violation.