At 09:42 am on January 24th, 2024 Moline Police received a call for an unresponsive male at a residence in the 3300 block 25th Avenue. Officer arrived to find 55-year old Steven Herring deceased from a single gunshot wound. At approximately 10:39am Moline Police responded to a report of a cardiac arrest at a residence in the 1800 block 46th Street and found 79-year old Donna Ericson deceased with traumatic injuries. Two homicides in one morning in Moline? When we don’t usually get two in a year, were they related? We had a murderous monster on the loose but who was it and how did we work two homicides at the same time? This is the story of the Steven Herring and Donna Ericson homicide investigations.