A 29-year-old man has been cleared of murder but found guilty of manslaughter over his baby son's death.
Michael MacRae is accused of violently shaking his six-week-old baby, Nathaniel, at his Narrogin home in October 2017.
He was rushed to Narrogin Hospital with catastrophic brain injuries and died about a year later at his mother's Golden Bay home.
Nathaniel and his mother Erica Lawrence. PIC: Facebook
MacRae has denied any involvement in his son's fatal injuries and claims he had been set up by Nathaniel's mother.
But, on Thursday, a WA Supreme Court jury found it was MacRae who injured his son, handing down a guilty verdict to a manslaughter charge after an hour of deliberations.
He was acquitted of murder.
MacRae is due to be sentenced in March.
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