Vero Beach, Florida, police have identified a double homicide outside the Indian River County Main Library, which took place on Tuesday morning. The victims were identified as Stacie Ellis Mason and Danny Ooley, both employees of Indian River county. The suspected gunman, Jesse Ellis, is still at large and authorities are searching for him. The killings are believed to have stemmed from an affair and a marital breakup. Police have described this as an isolated, targeted incident, not a broader threat to the public. Search warrants have been executed on Ellis' vehicle, the victims' vehicles, and a South County home connected to Ellis.