She quickly becomes a major suspect when Maddie 's blood is also found in her trunk .
Nikki and the team discover that R&B singer , Diana Cooper , had a fight with Maddie the day of the murder .
Nikki quickly becomes a major suspect when Maddie 's blood is also found in Nikki 's trunk .
Nikki and the team discover that R&B singer , Diana Cooper , had a fight with Maddie the day of the murder .