Timeline of justice

• June 7 2018, 5.40am – RSPB staff arriving for a wildlife survey at Kinnordy Loch, west of Kirriemuir, make the horrific discovery of Steven Donaldson’s mutilated and charred corpse beneath his burnt-out BMW car.

• June 14 2018 – Steven Dickie, Callum Davidson and Tasmin Glass are arrested for the murder of 19-year-old Glass’s former boyfriend Mr Donaldson. They appear in private at Forfar Sheriff Court a few days later and deny a charge of murder.

• April 1 2019 – The trial of Dickie, Davidson and Glass, all from Kirriemuir, begins before Lord Pentland and a jury of eight men and seven women at the High Court in Edinburgh. The evidence is so harrowing a member of the jury collapses when images of the deceased’s body are shown to the court.

• May 3 2019 – Following nine hours of deliberation, the jury return majority murder verdicts against both Dickie and Davidson and a unanimous culpable homicide verdict against Glass.

• May 30 2019 – Lord Pentland imposes sentences of 23 and 24 years respectively on Dickie and Davidson for the “cold-blooded” murder of Steven Donaldson. “Manipulative and devious” Glass is ordered to spend 10 years behind bars.

• July 20 2019 – In a remarkable show of community support for the Donaldson family, hundreds of motorcyclists from across Scotland take part in a ride from Arbroath to Kinnordy.

• November 15 2019 – A panel of three senior judges at the court of criminal appeal in Edinburgh reject challenges by counsel for Glass and Davidson that their sentences were “excessive”. As the appeals are being heard, it emerges fellow killer Steven Dickie has been found dead in his cell in Perth prison.