When Joe Dulou discovered a mysterious red substance on a light switch and doorframe in Chris Spotz's office, he contacted the sheriff's department. The investigation led to the discovery of additional suspicious stains, eventually testing positive for human blood.
BlueStar is a chemical that reacts with the iron-rich protein in blood, hemoglobin, to reveal the location of bloodstains that were missed. It was used in an investigation to detect the presence of blood on a couch and carpet.
Investigators discover blood and other evidence at a crime scene using blue star, revealing the extent of the violence that took place. The evidence suggests that the victim was on the bed when the attack first occurred, and investigators find a knife and razor that were likely used on her.
Two individuals attempt to break into a home after being instructed to examine blood by an unidentified man. The police arrived just as they were about to try again.
Police investigators find blood evidence in a house, including a burnt couch and damaged walls, suggesting a possible crime scene.
Evidence of multiple gunshots and a deep stab wound to the neck suggest a violent crime occurred in the home, further supported by the presence of gun parts and bullet remnants. The female victim had defensive wounds and a deep gash on her neck.