Leonard Francis Kieren was wanted on an open count of homicide in connection with the Nov. 21 shooting death of 57-year-old Kathleen Lorraine Vigil. The FBI Violent Crimes Task Force attempted to execute a search warrant for Kieren around 12:30 p.m. Kieren allegedly fired at investigators, who shot and killed him.
Agency: Federal Bureau of Investigation
Motive: Warrant (homicide)
Confrontation Type: Violent Crime
Service Call: No
Official Disposition: Pending investigation
Victim Name: Leonard Francis Kieren
Death Date: December 4, 2020
County: Maricopa
Geography: Suburban
Gender: Male
Age: 60
Race: White
Cause of Death: Gunshot
Criminal Charges: No known charges
Mental Illness: No
Armed: Allegedly Armed
Weapon: gun
Threat Level: attack