BANGOR, Maine — The trial of a Maine man charged with mailing cyanide to a suicidal man in England is expected to last for a week or more.

Sidney Kilmartin is on trial in federal court in Bangor on charges of mailing injurious articles resulting in death, witness tampering and witness retaliation.

Investigators say Kilmartin advertised and mailed a substance he said was cyanide to several suicidal people, but it was really Epsom salt. Later, he sent the real thing to Andrew Denton, who used it to kill himself. Investigators say Kilmartin wanted to prevent Denton from going to authorities about fraud.

Kilmartin pleaded guilty to some charges on Monday before the trial began. The government plans to bring more than 30 witnesses against Kilmartin.

VIAThe Associated Press
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