CSI: Crime Scene Investigation (2000)

S3E22 Play with Fire

The lifeless body of a woman is found in a cramped press box at a high school football stadium, seemingly a victim of strangulation. As detectives dig deeper, they trace the clues back to two ex-convicts, with one still behind bars. Meanwhile, a sudden explosion at the crime lab obliterates crucial evidence, resulting in injuries to both Greg and Sara.