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New Twist in Fort Collins Homicide Case
Fort Collins, ColoradoSaturday, July 11, 2026
In a shocking turn of events, one of the suspects in the murder of a 66-year-old Fort Collins man has pleaded guilty to accessory to commit first-degree murder. Aaron Mack, 33, entered the plea on July 10, and as part of the agreement, the murder charge against him was dropped. Mack was one of three people arrested in connection with the death of Timothy Van Dyke, who was found stabbed to death in a vehicle near an east Fort Collins shopping center on March 8. The case has taken a complex turn, with two other suspects, Zackary Worrell and Brittany King, still facing murder charges. Worrell, 27, and King, 40, are accused of being involved in the killing, which investigators believe was a result of a dispute over a previous assault on King. According to court documents, Worrell allegedly stabbed Van Dyke to death after being told by King that the victim had assaulted her. Mack's role in the case was that he, along with the other suspects, participated in taking items from Van Dyke's vehicle and person after the killing.
Mack's defense attorney, Melanie Sedlack, confirmed that as part of the plea agreement, Mack will not be sentenced to the Department of Corrections. Mack's sentencing hearing is set for September 25. The other two suspects are still being held at the Larimer County Jail. Worrell is next scheduled to appear in court on July 13, while King is set to appear on August 13. Their cases are ongoing, and they remain innocent until proven guilty. The community is still reeling from the news of the homicide, and many are left wondering how such a violent crime could occur in a normally safe city like Fort Collins. The case highlights the complexities of the justice system and the difficult decisions that must be made in cases like this. The impact on the victim's family has been devastating, and the plea agreement was discussed with the victim's sister, who initially had reservations but ultimately agreed it was the best course of action.
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