Series of shootings at post offices in U.S.

Some shootings at post offices:

April 17, 1998: Maceo Yarbough III, a 27-year-old letter carrier, fatally shoots a post-office clerk in Dallas after they argue in a break room. He is found not guilty of murder by reason of insanity.

Dec. 19, 1997: Postal employee Anthony Deculit, 37, kills one worker, shoots two others and finally kills himself in Milwaukee's main post office. He had threatened 16 months earlier to shoot employees.

Sept. 2, 1997: Jesus Antonio Tamayo, a 21-year postal veteran, leaves his counter at a Miami Beach post office, gets a gun from his car, walks back in and critically wounds his ex-wife and a friend, who were in line. Tamayo, 64, then kills himself.

July 9, 1995: Bruce William Clark walks up to his boss in a processing center in City of Industry, Calif., and shoots him to death. Clark, 58, pleaded guilty to second-degree murder and was sentenced in 1996 to 22 years in prison.

March 21, 1995: Christopher Green, 29, a former postal worker in debt, kills four people and wounds another during a holdup at the Montclair, N.J., post office. Green was sentenced to life in prison in September 1995.

May 6, 1993: Postal worker Larry Jasion kills one and wounds two at the post-office garage in Dearborn, Mich., before killing himself.

May 6, 1993: Fired postal employee Mark Richard Hilbun kills his mother, then walks into a post office near Los Angeles and shoots two workers, killing one. He was convicted of murder, attempted murder and other felonies and sentenced to life in prison.

Nov. 14, 1991: Fired postal worker Thomas McIlvane kills four supervisors and wounds five employees at a post office in Royal Oak, Mich., and then kills himself.

Oct. 11, 1991: Joseph M. Harris, a fired postal worker, kills a former boss and her boyfriend at their home in Wayne, N.J., then goes to the Ridgewood post office, where he kills two mail handlers. He was sentenced to death and died of natural causes in 1996.

Aug. 10, 1989: Postal worker John Merlin Taylor of Escondido, Calif., kills his wife at home, then drives to the Orange Glen post office, where he fatally shoots two others and wounds one before killing himself.

Aug. 20, 1986: Patrick Henry Sherrill, a part-time letter carrier in Edmond, Okla., kills 14 people in the post office there before taking his own life. Sherrill had a history of work problems and faced the possibility of being fired.