Firstly, the fact that he was in jail for 14 years was bad enough, but I believe he was innocent too. His father was clearly suffering from depression, and there was almost no evidence to support David murdering his whole family.Wikipedia wrote:David Cullen Bain (born 27 March 1972) is a New Zealander who featured in one of the country's most notable murder cases. He was convicted in May 1995 of the murders of his parents and siblings in Dunedin on 20 June the previous year, then was found not guilty when retried on the same charges 14 years later.
http://www.crime.co.nz/c-files.aspx?ID=88