The man who set up the charity Console has been found dead at his home.
Paul Kelly established the suicide prevention charity in 2002.
In 2016, allegations emerged that he spent donations from the charity - believed to be up to €600,000 - on personal expenses.
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Mr Kelly resigned as CEO amid the controversy, and the charity was later liquidated.
The 62-year-old was found dead at his home in Clane in Co Kildare on Sunday night.
Gardaí say they are treating the death as a personal tragedy, and a file will be prepared for the Coroners Court.