BANGOR, Maine — Jurors found Sidney Kilmartin, 54, of South Windham guilty on Tuesday of mailing cyanide to an Englishman who used it to commit suicide.
The jury of three women and nine men found Kilmartin not guilty of witness retribution in connection with the suicide death of Andrew Denton of Hull, England, on Dec. 31, 2012.
Jurors deliberated for about 2½ hours before finding him guilty of two counts of wire fraud and one count each of mail fraud, mailing injurious articles resulting in death and witness tampering.
Kilmartin showed no emotion as the verdict was read.
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Denton complained to the FBI that the fake cyanide did not work. After that, Kilmartin sent the real poison to the Englishman.
The trial began Oct. 3 in U.S. District Court after Kilmartin pleaded guilty earlier in the day to nine counts of mail and wire fraud. Kilmartin admitted defrauding suicidal people who paid him for potassium cyanide but received Epsom salts instead. He denied the counts related to Denton’s death.
None of the victims defrauded in those instances died, and three of them testified for the prosecution last week.
Kilmartin obtained the potassium cyanide from a California firm by saying he needed the chemical for his jewelry business. He had it mailed to a UPS store in Augusta, according to testimony. Kilmartin is not a jeweler, according to court documents.
Kilmartin, who has a history of mental illness, was living in the community but legally was in the custody of the Maine Department of Health and Human Services when he executed the Epsom salts scheme, according to court documents. He was found not criminally responsible in 2009 for crimes he was accused of committing two years earlier, including an aggravated assault on an elderly man.
In October 2015, U.S. District Judge John Woodcock, who presided over the trial, found Kilmartin competent to stand trial on the federal charges.
On the mail and wire fraud counts, Kilmartin faces up to 20 years in prison.
On the charges connected to Denton’s death, Kilmartin faces life in prison.
A sentencing date has not been set.
Watch bangordailynews.com for updates.