From Objects of Concern: Canadian Prisoners Of War....
The Canadian experience with POW's from the War of 1812 to the Boer War gave them (the Canadians) a mistaken impression of developing trends... .
During the War of 1812, there was a "prevalance of parole and exchange..."
John Richardson's POW experience in Chillicothe, Ohio, was referenced. He was captured at Moraviantown in Ontario in October 1813.
Most American soldiers captured at Queenston were paroled to Boston; however some British-born American soldiers were sent to England to be tried for treason. That triggered an escalating "hostage" situation by both sides regarding their POW's. The POW's were never actually tried for treason.
From the Life of Andrew Jackson: