Overview
- The 59-year-old was found in his Alto de Pinheiros home bound with phone cord and gagged with a towel, showing signs of asphyxia and injuries.
- One man detained earlier told police he struck Silveira in the head, and investigators say he wore the same clothes seen on camera.
- Footage shows Silveira leaving by car at 1:39 a.m., returning at 2:13 a.m., and two men exiting on foot at 5:53 a.m.
- Forensics are testing blood on bedding and assessing whether a knife found in the bathroom was used to threaten him.
- A third man questioned by police on Wednesday was released after testimony, and detectives report no forced entry or evidence that items were taken.