Markham Honors Investigators Who Cracked Double Murder Case

Police solved the 2025 shooting deaths of Diamond Taylor-Harvey and Jamari Stigler in under 48 hours.

Apr. 15, 2026 at 10:38pm

Got story updates? Submit your updates here. ›

An extreme close-up of a single spent bullet casing, its metallic surface reflecting the harsh light of a direct camera flash against a pitch-black background, creating a stark, gritty, and investigative visual metaphor for a high-profile crime investigation.The quick arrest of a suspect in a tragic double murder case has brought a measure of justice and closure to the Markham community.Chicago Today

The City of Markham is recognizing the investigators from the Markham Police Department and the South Suburban Major Crimes Task Force who quickly solved a double murder case that shook the community in 2025. Police say they arrested a suspect within 48 hours of responding to the shooting that left 27-year-old Diamond Taylor-Harvey and 23-year-old Jamari Stigler dead.

Why it matters

Solving a high-profile double homicide case in under two days is an impressive feat that demonstrates the effectiveness of strong coordination between law enforcement agencies and community engagement. It also helps restore a sense of safety in Markham after such a tragic incident.

The details

On March 2025, officers responded to a report of a suspicious vehicle in the 3300 block of 167th Street in Markham, where they found Taylor-Harvey and Stigler suffering from gunshot wounds. The victims were taken to a hospital but later died. Investigators worked quickly, gathering surveillance footage and tips from local businesses and residents, to identify 26-year-old Terrell Fox of Country Club Hills as the suspect. Fox was taken into custody shortly after the shooting.

  • In March 2025, police responded to a report of a suspicious vehicle where they found the two victims.
  • The victims, Diamond Taylor-Harvey and Jamari Stigler, were pronounced dead at the hospital.
  • Investigators arrested suspect Terrell Fox within 48 hours of the initial incident.

The players

Markham Police Department Investigations Division

The division of the Markham Police Department that led the investigation into the double murder case.

South Suburban Major Crimes Task Force

A multi-jurisdictional law enforcement task force that assisted the Markham Police Department in solving the case.

Terrell Fox

The 26-year-old suspect from Country Club Hills who was arrested and charged with the murders of Diamond Taylor-Harvey and Jamari Stigler.

Got photos? Submit your photos here. ›

What they’re saying

“We're going to celebrate some police officers that solved a case probably in all the years, and I've been in government, in record time. It just was amazing how these officers had gotten together, and the detectives, and they were able to quickly resolve a case so fast.”

— Roger Agpawa, Markham Mayor

“Honored that the city and the police department is honoring us and the investigators that had participated in this investigation.”

— Detective Joseph Crement

“It means a lot to me, not only just for recognition on this case, but I feel for the hard work that we do on a continual basis in every case, but extremely grateful that we are receiving some recognition on this. It's not what we do it for, but it is nice knowing that the city that we work for understands what we do, and they're taking the time to recognize us for that.”

— Detective Sergeant Jeff York

What’s next

Fox remains charged in the case and is presumed innocent unless proven guilty in court.

The takeaway

This case highlights the importance of strong coordination between law enforcement agencies and community engagement in solving high-profile crimes quickly. The recognition of the investigators' efforts by the City of Markham underscores the value of their work in restoring a sense of safety in the community.