15 Fascinating Last Words From Serial Killers

"I'll be back."

1. Israel Keyes

FBI / en.wikipedia.org

Died: 2012

Keyes is thought to have killed eight people.

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2. Carl Panzram

en.wikipedia.org

Executed: 1930

Panzram claimed to have killed 21 people and sodomized 1,000 men.

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3. Marcel Petiot

AP Images

Executed: 1946

Petiot was convicted of 26 murders and confessed to killing 60 people.

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4. William Bonin

AP Images

Executed: 1996

Bonin confessed to torturing and killing 21 boys.

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5. Ted Bundy

AP Images

Executed: 1989

Ted Bundy confessed to killing 30 people.

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6. Angel Resendiz

AP Images

Executed: 2006

Resendiz confessed to killing nine people.

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7. John Wayne Gacy

AP Images

Executed: 1994

Gacy was convicted of murdering 33 people.

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8. Aileen Wuornos

Getty Images

Executed: 2002

Wuornos was convicted of killing six men.

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9. Fritz Haarmann

Creative Commons / en.wikipedia.org

Executed: 1925

Haarmann was found guilty of murdering 24 young men.

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10. Earle Nelson

Winnipeg Police Service / winnipeg.ca

Executed: 1928

Nelson was accused of killing 26 women.

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11. Carroll Cole

CBS

Executed: 1985

Cole was convicted of killing five women and confessed to 13 murders.

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12. Raymond Fernandez

AP Images

Executed: 1951

Raymond Fernandez and Martha Beck are thought to have murdered 20 people.

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13. Martha Beck

AP Images

Executed: 1951

Martha Beck and Raymond Fernandez were only charged for the murder of Janet Fay.

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14. Westley Allan Dodd

AP Images

Executed: 1993

Dodd was convicted of killing three boys.

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15. Kenneth McDuff

AP Images

Executed: 1998

McDuff was convicted of killing five people and thought to have murdered as many as 14.

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16. Correction

Aug. 26, 2015, at 19:32 PM

Israel Keyes killed himself. An earlier version of this post said that he was executed.