Daniel W. Spencer, 46, was found shot multiple times and pronounced dead at the scene on December 6, 2014, in the 200 block of West Park Avenue in Aurora, Illinois. The shooting occurred around 11:35 p.m.; one of the wounds was a fatal shot to the head. Authorities treated the death as a homicide and conducted an extensive investigation that included witness interviews and forensic work.

In the months after the killing, police arrested 32-year-old Aurora resident Daniel Aguirre and charged him with first-degree murder, alleging he fired multiple shots that killed Spencer. The case went to trial, where prosecutors and defense attorneys presented testimony from witnesses, forensic experts, and investigators. A jury found Aguirre guilty and he received a lengthy prison sentence.

If anyone knew Daniel Spencer, saw activity near West Park Avenue that night, or has information about the events leading up to his death, please come forward.