Matabias L. Biles was 34 when he was fatally stabbed on February 2, 2016, in Chicago. The attack occurred in the 3400 block of West Flournoy, where he suffered multiple stab wounds to the face and chest.

His death came during a surge in violence across the city in 2016; Chicago recorded 762 homicides that year amid increases in shootings and overall violent incidents that affected many neighborhoods. Biles’ killing is one of the tragic cases from that period that highlighted the city’s escalating public-safety crisis.

If anyone has information about what happened to Matabias Biles on February 2, 2016, please share tips with the authorities.