The Gun Alley Murder

Melbourne’s laneways are now known for coffee, colour, and culture – but a century ago, one of those narrow passages became the centre of a tragedy that would haunt the city for decades. The 1921 murder of twelve‑year‑old Alma Tirtschke, and the execution that followed, remains one of Australia’s most chilling reminders of how public pressure and flawed evidence can warp justice.

Alma Tirtschke.

On the sweltering afternoon of 30 December 1921, Alma was sent on a simple errand: collect meat from a Swanston Street butcher and deliver it to her aunt on Collins Street. Known to be sensible and reliable, she should have been home within the hour. When she didn’t return, her family grew anxious. By nightfall, police were searching the city.

The next morning, Alma’s body was found in Gun Alley, a dead‑end laneway near where she had last been seen. She had been raped and strangled behind a busy wine saloon. Melbourne was horrified. Crowds flocked to the alley to leave flowers, newspapers warned of a lurking maniac, and police faced enormous pressure to make an arrest. A reward of £1,250 – enormous for the time – only intensified the frenzy.

Gun Alley, 1921.

Witnesses placed Alma near Alfred Place and Little Collins Street between 2.30pm and 3.00pm. She appeared worried, and one witness claimed a man was following her. Among those interviewed was Colin Ross, manager of the nearby wine saloon. Ross openly cooperated, providing witnesses who confirmed he had been working all afternoon. Still, police remained suspicious – Ross had recently been acquitted of an unrelated shooting – and on 12 January 1922, they arrested him.

Colin Campbell Ross, 1921.

The case against Ross was thin, but sensational. Newspapers splashed his photograph across front pages, shaping public opinion long before the trial began. As one paper observed, Ross had been “tried by public opinion before the jury went into the box.”

The prosecution relied heavily on a handful of golden hairs found on blankets in Ross’s saloon. A government analyst claimed they matched Alma’s hair. Today, the evidence would have been dismissed immediately: the blankets were collected weeks late, stored carelessly, and contaminated. But in 1922, it was enough.

Two witnesses also claimed Ross had confessed – one a convicted criminal seeking reward money, the other a disgruntled former employee. Ross denied their stories, but the jury convicted him. He was sentenced to death.

On the eve of his execution, Ross received an anonymous letter from a man claiming responsibility for Alma’s murder. Ross’s barrister believed it might have been genuine. Ross himself maintained his innocence until the end. His final words on the scaffold were unwavering: “I swear by Almighty God that I am an innocent man.”

His death was gruesome. Authorities experimented with a four‑stranded rope that failed to break his neck cleanly. Ross convulsed and slowly suffocated — an ordeal so severe that the rope type was never used again.

For decades, there were doubts. In the 1990s, researcher Kevin Morgan uncovered witness statements that had been withheld from court, including six people who confirmed Ross never left the saloon. He also found the original hair samples and fought for DNA testing. In 1998, two forensic agencies concluded the hairs did not match – destroying the prosecution’s key evidence.

In 2007, the Supreme Court ruled Ross had suffered a miscarriage of justice. The following year, he received Victoria’s first posthumous pardon – the only pardon ever granted to an executed Australian.

Gun Alley no longer exists, replaced by modern development. But its story lingers in nearby Pink Alley, where some claim Alma or Ross still haunt the shadows. Perhaps, though, the haunting is simply memory – the echo of a double tragedy: a child lost, and an innocent man condemned

Read more about this story in Issue 12 of Unknowing.