Complex sentence: Tyrone Williams "Ty" Conn was a Canadian bank robber, and the only person in the last four decades to escape over the wall from the Kingston Penitentiary, one of Canada's most secure and notorious prisons.
Split into simpler sentences: Tyrone Williams "Ty" Conn was a Canadian bank robber. He was the only person in the last four decades to escape over the wall from the Kingston Penitentiary, one of Canada's most secure and notorious prisons.