He's smart. He's lovable. He's Dexter Morgan, America's favorite serial killer, who spends his days solving crimes and his nights committing them.He's smart. He's lovable. He's Dexter Morgan, America's favorite serial killer, who spends his days solving crimes and his nights committing them.He's smart. He's lovable. He's Dexter Morgan, America's favorite serial killer, who spends his days solving crimes and his nights committing them.