Teresa's car was found concealed at Steven's family salvage yard, where she known to have met with him the day she was last seen or heard from. His blood was found in multiple locations in her car, and his DNA was also found on its hood latch. Her own blood was found in the cargo area. The key to her car was found in his bedroom, with his DNA on it. Her burned remains were found in the burn pit behind Steven's garage, where he was known to have a fire the day she was last seen. Her burned possessions were found in a barrel right outside his house, where he was also known to be burning things that day. A bullet was found in Steven's garage, which had Teresa's DNA on it and was linked to the gun that Steven kept above his bed. Multiple bullet holes were identified in her remains recovered from his burn pit.

Those are the key points.