By Laura Withers For Daily Mail Australia
Published: 13:13 GMT, 21 March 2019 | Updated: 19:00 GMT, 21 March 2019
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Edmund Ian Riggs was found guilty of the manslaughter of his wife Patricia Riggs (pictured) in 2001
A Queensland man who lied about killing his wife and then burying her dead body twice for over a decade has been jailed for 15 years.
Edmund Ian Riggs attended Brisbane Supreme Court on Thursday where Justice Peter Flanagan handed down his sentence for the manslaughter of his wife Patricia Riggs.
He was also sentenced for multiple perjury offences and interfering with a corpse.
The 60-year-old had previously gone to extreme lengths to deceive police after Ms Riggs' death in September 2001.
It was only during his trial last month that he admitted Ms Riggs, who was 34 at the time, had died in September 2001 at their home in Redcliffe, north of Brisbane, after he pushed her in response to her spitting at him during a heated argument.
Riggs claimed that when he realised his wife was dead he 'panicked' and attempted to cover his tracks by burying her body in a shallow grave on the outskirts of Caboolture, 50km north of Brisbane.
A few years later he dug up her remains after seeing heavy machinery at the site, and reburied her the family home.
Edmund Ian Riggs (pictured) attended Brisbane Supreme Court on Thursday where Justice