Object
Red Glass Shard (Forensic Evidence from Scammonden Road Crime Scene)
Jagged fragment of a broken rear light, collected as forensic evidence at the Scammonden Road crime scene. Serves as the first clue in tracing the suspect vehicle linked to PC McAskill's murder.
2 appearances
Purpose
Forensic clue to trace suspect vehicle via rear taillight match
Significance
Ignites manhunt for Kirsten's killer; channels Catherine's raw grief into precise police work, marking her shift from paralysis to pursuit.
Appearances in the Narrative
When this object appears and how it's used