Dina's death expands the case Murdock is pursuing.
Murdock learns that Dina has been found killed at the high school while investigating the surrounding murders.
They belong to the same cheerleading team before Dina's death.
Shelley and Dina are both explicitly listed as members of the Bridgemont High cheerleading squad.
Ms. Hendricks is Dina's coach before Dina is killed at the school.
Dina is introduced as a member of the cheerleading squad, while Ms. Hendricks travels with the squad as its coach.
Explore the full interactive character relationship map of Cheerleader Massacre