Dennis Robert Bredar was being held Friday without bond at the Cobb County Adult Detention Center, according to police spokesman Sgt. Dana Pierce.
Pierce said the killing of Rhonda Callihan, 49, occurred around 7:45 p.m. on Jamerson Forrest Circle in Marietta. Callihan was found dead inside the home. Police said they found Bredar sitting in a chair on the front porch.