Man's Fitness Tracker Proves Alibi in Girlfriend's Murder

In a surprising turn of events, a fitness tracking device was pivotal in absolving a Wisconsin man from murder charges in his girlfriend's tragic demise.

The trial, held in Green Bay, Wisconsin, in February 2018, was one of the first instances where smart technology played a crucial role in criminal proceedings, potentially preventing an unjust conviction.

On May 21, 2016, the lifeless body of 31-year-old Nicole Vander Heyden was discovered—she had been violently attacked and strangled, her body found in a field a few miles from home. That night, her partner Doug Detrie and she enjoyed a night out at a concert and later danced at a club.

As the evening progressed, they went separate ways—Vander Heyden headed to another bar expecting Detrie to join her. When he didn't, she sent him angry messages accusing him of infidelity. She left the bar around 12:30 a.m., intoxicated and upset, and was never seen alive again by her friends.

Detrie, accompanied by a friend, searched for her and then returned home to unwind before eventually sleeping. He withheld alerting authorities about her disappearance until later that afternoon, long after her body had been located.

Investigators retrieved blood evidence from the couple's residence and Vander Heyden’s vehicle, raising suspicion that Detrie could have transported her body from the home.

Adding to the puzzle, a neighbor found additional blood evidence and a potential murder weapon near the property, leading detectives to speculate about a possible conflict between Vander Heyden and Detrie.

Despite being the primary suspect, Detrie adamantly denied involvement, and while detained, investigators awaited lab results before proceeding with formal charges.

However, the narrative shifted when the results surfaced. The blood found didn’t belong to the victim and wasn’t human. Additionally, unidentified DNA was discovered on the victim’s attire and on the possible murder weapon.

Unexpectedly, Detrie's wearable fitness tracker provided essential insight. The data retrieved illustrated his movements that night—suggesting he was at home, checking on the baby and visiting the bathroom sporadically, corroborating his claims.

Moreover, car data from an installed monitoring device indicated Vander Heyden's vehicle remained stationary that night, reinforcing Detrie's innocence.

With Detrie cleared, the focus turned to uncover the true perpetrator. Advances in forensic technology helped identify a mysterious DNA profile linked to George Steven Burch.

Further investigation revealed Burch's cell phone housed data pinpointing his presence at critical locations related to the crime. This digital trail included him being near Vander Heyden multiple times during the night she died.

In September 2016, Burch was implicated, facing charges of intentional homicide connected to Vander Heyden's death.

During his trial in February, Burch's defense questioned the reliability of these digital devices, claiming the technology was yet unproven. Although Burch confessed to being with Vander Heyden, he argued that another was responsible—specifically pointing back to Detrie.

Ultimately, despite technological breakthroughs, the verdict on Vander Heyden's case lay in the hands of a jury tasked with passing judgment in the traditional manner.