Serial killers didn't disappear with the end of the 20th century - they evolved. The New Face of Evil: Serial Killers in the 21st Century is a deeply researched examination of modern serial murder, revealing how today's killers operate in a world shaped by DNA forensics, digital footprints, social media, and shifting societal blind spots. This book goes beyond myths and media sensationalism to explore how serial killers have adapted - and how law enforcement has responded - in the years from 2000 to 2025. Inside, readers will discover: What legally and psychologically defines a serial killer today How technology has changed both killing and catching Why some predators evade detection for years The role of media, profiling myths, and public misunderstanding Through detailed case studies, the book examines notorious and lesser-known offenders including Gary Ridgway, Israel Keyes, Dennis Rader (BTK), Bruce McArthur, and Samuel Little, uncovering patterns of behavior, victim targeting, and investigative failures - especially involving marginalized communities. Written in clear, accessible language and grounded in real cases, this book is ideal for: True crime readers seeking depth over sensationalism Students of criminology, psychology, and criminal justice Law enforcement professionals and investigators Anyone interested in how modern evil hides in plain sight Disturbing, insightful, and meticulously researched, The New Face of Evil exposes how serial murder continues to evolve - and why understanding it matters now more than ever.