This study presents a forensic timeline analysis of law enforcement failures in the investigation of Jeffrey Epstein from 1996 to 2019, examining how systemic institutional dysfunction enabled a prolific sexual predator to operate with near-complete impunity for over two decades. The study addresses a critical gap in criminal justice scholarship by providing the first comprehensive academic analysis of multi-agency failure patterns across federal, state, and local law enforcement entities in a high-profile elite deviance case. The research employs a qualitative historical case study design integrating forensic timeline analysis with systematic document analysis of primary sources including the Department of Justice Office of Professional Responsibility (2020) report, the DOJ Office of Inspector General (2023) custody failure report, the 2008 Non-Prosecution Agreement, Palm Beach Police Department investigative records, and court filings from United States v. Epstein (2019). Guided by an integrated theoretical framework encompassing institutional failure theory, elite deviance scholarship, and organizational misconduct literature, the analysis identified 47 discrete law enforcement contact points, of which 72% represented failures to act, inadequate action, or catastrophic failure. Key findings reveal that the FBI failed to investigate Maria Farmer's 1996 complaint despite characterizing it as involving "child pornography"; federal personnel systematically characterized minor victims as "child prostitutes" and "willing partners," reflecting institutionalized victim-blaming; the 2008 Non-Prosecution Agreement provided unprecedented blanket immunity to unnamed co-conspirators; and cascading custody failures at the Metropolitan Correctional Center permanently foreclosed criminal adjudication. The dissertation contributes to theoretical understanding of how elite deviance intersects with institutional failure, provides evidence-based recommendations for law enforcement reform in complex sexual exploitation cases, and documents the human consequences of systemic accountability failures. Findings have significant implications for victim-centered investigation protocols, inter-agency coordination mechanisms, and the structural reforms necessary to prevent elite perpetrators from exploiting institutional vulnerabilities. Keywords: institutional failure, elite deviance, law enforcement accountability, child sexual exploitation, prosecutorial discretion, victim-blaming, forensic timeline analysis