PORTLAND, Maine — A Maine resident charged with mailing cyanide to a suicidal man in England is scheduled to be sentenced in April.

Windham resident Sidney Kilmartin was found guilty in 2016 of mailing injurious articles resulting in death and witness tampering. A spokesman for federal prosecutors in Maine says his sentencing is set for April 27 in Portland, but that date could change.

Investigators say Kilmartin advertised and mailed a substance he said was cyanide to several suicidal people. The substance was actually Epsom salt.

But authorities say Kilmartin later sent the real thing to Andrew Denton, who used it to kill himself. They say Kilmartin didn’t want Denton to report his fraud.

Kilmartin had denied the charges of witness tampering and mailing injurious articles, but pleaded guilty to mail and wire fraud.

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