sentences:  Coigly travelled to England and Paris, where he was involved with the United Britons and with James Napper Tandy.While travelling to France, he was arrested alongside four other United Irishmen, one being Arthur O'Connor, a leader of the Rebels of Leinster.Upon his arrest, English authorities discovered a letter by the United Britons addressed to the French Revolutionary Government calling for an invasion of England, hidden in Coigly's garments.