Sheffield murder case closed as suspects walk free after trial collapses

Isaiah Usen-Satchell, aged 18, died after he suffered a slash wound to his arm close to his home in the Norfolk Park area of Sheffield on New Year’s Day 2020.

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Twin brothers Isaac and Jacob Mwanza, both aged 19 and of Rother View Road, Canklow, Rotherham, were charged over the death and went on trial accused of murder and manslaughter.

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But just before Christmas, Judge Peter Kelson QC directed jurors to find both men not guilty of murder and to find Jacob not guilty of manslaughter due to insufficient evidence.

Isaac’s manslaughter trial continued but he too was acquitted yesterday after the Crown Prosecution Service reviewed the case and offered no further evidence.

Speaking after the collapse of the trial, South Yorkshire Police said: “We will not be providing any further statement or comment on the conclusion of the proceedings.

“The investigation into Mr Usen-Satchell’s death has now concluded.”

The Mwanza brothers admitted to having been in an altercation with Isaiah on the night he was killed.

Isaac’s girlfriend had been in a brief relationship with Isaiah and tensions were said to have been running high.

The twins and Isaiah were involved in a confrontation on the fateful night after a knife was allegedly produced by Isaiah.

The Mwanza brothers, who were captured on CCTV close to Isaiah’s home on the night of the killing, denied committing murder and said they had acted in self-defence, claiming Isaiah had jumped out of bushes with a blade.