Rise to Success: Career Highlights of John Leonard Orr

By Popular Timelines Editorial Team · Updated: July 2, 2025

How John Leonard Orr built a successful career. Explore key moments that defined the journey.

John Leonard Orr, an American convicted serial arsonist and former firefighter, served as a fire captain and arson investigator in Glendale, California. He was convicted of serial arson and four counts of murder, believed to have ignited nearly 2,000 fires during a 30-year period, predominantly between 1984 and 1991. This makes him the most prolific serial arsonist in American history.

Sections (3)

Full Timeline Career & Achievements Controversies & Scandals

1971: Discharge from the Military

In 1971, John Orr was discharged from the United States Air Force after his enlistment. Following this, he sought employment with the Los Angeles Police Department but failed the psychological exam.

1974: Employment with Glendale Fire Department

In 1974, John Orr secured employment with the Glendale Fire Department, one of the lowest paying departments in Los Angeles County, after studying fire science and working day jobs.

1984: Arson Spree Begins

In 1984, John Leonard Orr, a fire captain and arson investigator, began an arson spree that would last until 1991. He is believed to have set nearly 2,000 fires during that time.

1984: Arson fires dating back to 1984

John Orr was indicted for arson fires stretching back from 1990 to 1984. The lead prosecutor offered John a deal where he would take the death penalty off the table if John accepted a sentence of life without parole and confessed all his acts of arson.

1990: Arson fires dating up to 1990

John Orr was indicted on four counts of first-degree murder with special circumstances and 21 counts of arson for fires stretching from 1984 to 1990.

December 4, 1991: Arrest of John Orr

On December 4, 1991, John Orr was arrested and charged with arson for a series of fires not related to the 1984 South Pasadena Ole's fire, after being investigated and watched for several months.

1991: End of Arson Spree

In 1991, John Leonard Orr's arson spree came to an end after nearly 2,000 fires. He was later convicted of serial arson and four counts of murder.

July 31, 1992: Conviction on Arson Charges

On July 31, 1992, John Orr was convicted of three counts of arson in federal court in Fresno and sentenced to 30 years in prison.

March 24, 1993: Guilty Plea in Los Angeles

On March 24, 1993, John Orr pleaded guilty to three more counts of arson in Los Angeles, after reaching a plea agreement. This agreement saw him paroled from federal prison in 2002.

November 21, 1994: Indictment on Murder and Arson Charges

On November 21, 1994, John Orr was indicted on four counts of first-degree murder with special circumstances and 21 counts of arson for fires stretching from 1984 to 1990. The prosecutor opted to seek the death penalty.

1994: Conviction Affirmed

In 1994, a federal appeals court affirmed John Orr's conviction on arson charges.

June 25, 1998: Conviction on Murder and Arson Charges

On June 25, 1998, John Orr was convicted on all four murder charges and all but one of the arson counts in a California state court. He was sentenced to four concurrent terms of life without parole for murder, plus an additional 21 years in prison for arson.