Law360 Canada ( February 26, 2018, 8:26 AM EST) -- Appeal by the accused, McDonald, from designation as a dangerous offender. The accused, now age 66, was convicted of two manslaughters. In 1981, the accused shot and killed a man after a bar fight that left him angered and humiliated. The accused was not convicted until 2014, as he immediately left the region to work in the United States until 2002. In 2003, the accused was living in England. He was convicted of manslaughter after he killed his roommate with a sledgehammer due to finding him going through his belongings. The accused violated his parole and entered Canada surreptitiously. In 2010, the RCMP commenced a Mr. Big operation targeting the accused. The accused was involved in 86 fictitious scenarios contrived by police with the objective of cultivating a relationship between the accused and the undercover investigator. The accused eventually admitted the 1981 killing to the investigator. His statements made in the course of the investigation were ruled admissible at trial. At sentencing, some aspects of the Mr. Big evidence were used for the purpose of determining whether there was a reasonable possibility of eventual control of the accused's risk to the community. The sentencing judge concluded that the accused met the dangerous offender criteria and imposed an indeterminate sentence. The accused appealed....