I’m UK’s top blood spatter expert…the goriest crime scene I’ve ever seen & how my grisly new evidence freed innocent man

It looked like an open and shut case – two ‘killers’ caught running away from a blood-soaked crime scene.

The victim was labourer Grzegorz Pietrycki, 25, who died from a slashed throat after jumping from a window at his flat, staggering 200ft down the road and ringing a stranger’s doorbell, leaving a bloody trail in his wake.

SuppliedJo Millington is one of Britain’s top blood spatter analysts[/caption] Met PoliceIn the case of murdered labourer Grzegorz Pietrycki, police initially...