Phoenix detectives were assembling a jigsaw puzzle of sorts in the past month, piecing together witness statements and physical evidence to mount a nine-victim homicide case against 35-year-old Cleophus Cooksey Jr.
The key information was gleaned just two days after Cooksey’s Dec. 17 arrest in the deaths of his mother and stepfather, leading police to believe he was not just a double-murder suspect but a serial killer .