On April 11, 2020, at 1 PM, Marie Collins (66) returned to her residence in Victoria Park, Perth, after visiting her sister Helen in Mount Claremont.

As she entered, Marie recalled that she had recently changed the locks of her apartment complex but had forgotten to give a spare key to Helen. She assured her sister that she would provide the new key during their next meeting. Little did Helen know, this would be their final conversation.

Marie Collins was a beloved woman, deeply religious and active socially after her husband's passing in 2001. She had no children but maintained close ties with friends and family. Therefore, when Helen experienced a few hours of uncharacteristic silence from her sister on April 12, 2020, it raised her alarm.

Helen sent several texts and calls to Marie that morning, but there was no response. At approximately 11:30, she received a text that only heightened her anxiety:

“Hi, Helen. Apologies for not taking your call. I am feeling quite unwell. God bless, and Happy Easter.”

Helen pressed for a call, but the reply was unsettling:

“I have lost my voice, unfortunately. Like I said, I am quite unwell.”

Concerned for her sister, who was typically very communicative, Helen dispatched her brother Wayne Johnson, who lived nearby, to check on Marie.

Minutes passed without any word from Wayne, and Helen grew increasingly anxious. After nearly three hours of silence, she decided to investigate Marie’s apartment herself, aided by her son-in-law and a neighbor. While Helen had a spare key to Marie's apartment, they faced challenges with the new locks at the complex.

Upon entering the apartment, they were met with a horrific scene: **