(PUEBLO, Colo.) — Two men have been arrested in connection to the shooting death of 56-year-old Nicholas Grace on the southwest side of Pueblo in September. Police originally responded to the 1100 block of Pueblo Boulevard shortly after 3 a.m. on Sept. 26 on a report of a panic alarm and possible shooting. When officers arrived, they found a man dead in a business's parking lot. PREVIOUS COVERAGE: Man killed in shooting on Pueblo’s southwest side The victim was later identified as Grace, a resident of Pueblo. According to the Pueblo Police Department (PPD), the investigation led to the identification of 20-year-old Dewayne Ingram and 24-year-old Aaron Alvarado as suspects in the case. Ingram is being held in the El Paso County jail on previous charges and now faces new charges of first-degree murder. Courtesy: Pueblo Police Department Courtesy: Pueblo Police Department Alvarado was arrested on charges of second-degree murder, complicity to commit aggravated robbery, and conspiracy to commit aggravated robbery. He is being held in the Pueblo County Detention Center.