After punching his young girlfriend 40 times in the head, Aaron Leyton Wumi was not charged with murder.

Instead, he has been sentenced to 4 years' prison for "intent to harm".

Gary Adshead has shared his frustration that, in a time where domestic and familial violence is under the spotlight it definitely needs to be, many are still falling through the cracks.

See omnystudio.com/listener for privacy information.