POLICE involved in the Baden-Clay murder case came in on their days off in pursuit of answers in a level of dedication that has been labelled unprecedented.

Detective Superintendent Mark Ainsworth, who oversaw the police investigation, said the conviction of Baden-Clay was a long time coming.

"We never got to meet Allison, but dealing with the Dickie family and extended family, after this lengthy investigation, I'm sure I not only speak for myself but the other investigators, I feel we know her," he said.

>> How Allison's murder devastated a family's lives

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"We should all agree that Allison was nothing short of a wonderful person, a wonderful mother, friend and daughter.

"It's now up to the Dickies to look after these three wonderful children. And I'm sure none of us would like our children to go through what they're going through at the present time."

IN COURT

Key Arguments - 

PROSECUTION

Scratches: Forensic experts testified three scratches on Gerard Baden-Clay's right cheek were more consistent with fingernail scratches than shaving cuts. A post-mortem examination found DNA possibly belonging to another person underneath Mrs Baden-Clay's left hand.

Leaves: There were six plant species entwined in Mrs Baden-Clay's hair and clothes which could be found growing around the Baden-Clay home. Only two species could be found near Kholo Creek where her body was found.

Blood: Blood in Mrs Baden-Clay's Holden Captiva matched her DNA profile.

Mobile: Baden-Clay claimed he went to bed at 10pm on April 19, 2012. His mobile phone was connected to his bedside charger at 1.48am on April 20.

Affair: Long-time mistress Toni McHugh and wife Allison were about to come together at a real estate conference the day Baden-Clay reported his wife missing.

Finances: Baden-Clay owed hundreds of thousands of dollars to friends, banks and others.

Lies: He risked having his double life exposed and people seeing the real Gerard Baden-Clay - which would ruin public perception of him.

DEFENCE

Cause: Forensic experts could not determine a cause of death after Mrs Baden-Clay's body had been exposed to the elements for up to 11 days.

Crime scene: Police could find no signs of a struggle or a clean-up at the Baden-Clay home.

Depression: Defence pointed to a history of depression to suggest Mrs Baden-Clay took her own life.

Drugs: Defence also suggested misadventure or accident through an extra dose of her antidepressant medication causing side effects.



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