The man has been diagnosed as a homicidal maniac.

He cleared his planned murder path of furniture in advance and during the massacre, he laid the family's financial files on the kitchen table.

“When you have lost a child ... it doesn’t get better.”

“Finding that gift broke me. The song it played, I couldn’t listen to it for months.”

He will reportedly plead not guilty when he appears before Melbourne Magistrate's Court this morning.

“I had 12 stab wounds and one of of them had narrowly missed my heart.”

To recap, the British Labour MP was senselessly murdered by a right-wing extremist as he shouted ‘Britain First’ last year.

The two shared everything, until Daniel disappeared, devastating their tight-knit family.

Adam Davidson said he scalded Brett Cowan for "a little but of retribution" and he wanted him "to feel the pain like somebody like Daniel Morcombe has felt."

"I don't think it's very fair that we've lost our little girl and there's nothing for her," the baby's family said.