The City’s Competing Theories

As public fear grows, theories about the Sweet Sixteen crimes multiply faster than reliable evidence can resolve them.

increasingBearing stren­gth in each eventdecreasing

A City Searches for Patterns

A City Searches for Patterns Repeated Crimes The murders’ focus on sixteen-year-old girls encourages the public and police to search for a single coherent explanation. Pattern Becomes Pressure The perceived pattern influences suspicion of Casey and intensifies the city’s demand for an arrest.

Suspects Multiply

Suspects Multiply Police and Family Theories Bittner suspects Casey, while Ron briefly suggests Bittner himself may be the killer. Evidence Remains Ambiguous Each theory draws on visible traits or behavior, yet neither establishes who committed the murders.

A Police Officer Considered

A Police Officer Considered Access Raises Suspicion Liz’s board includes the possibility that a police officer could exploit professional knowledge to evade investigation. A True but Incomplete Theory The idea points toward Danny, but Liz cannot yet distinguish his role from Raines’s or Casey’s.

Copycat Hypothesis

Copycat Hypothesis An Abrupt Variation Julia’s murder appears comparatively restrained beside the earlier escalating atrocities. Multiple Explanations Open Liz considers a copycat, a pair of offenders, and other theories, while the difference eventually proves significant.

The Truth Remains Unfinished

The Truth Remains Unfinished Killers Identified Danny and Raines are dead, but Casey confesses to Julia’s murder and threatens Jason into silence. Public Closure Fails The apparent end of the investigation cannot account for every crime or guarantee justice for the victims.

During the spring investigation

After Casey’s behavior becomes known

During Liz’s research after Julia’s murder

After the latest murder differs from the earlier pattern

After Danny’s death and Casey’s confession