The cases covered in this alarming book include: Argentina's crazed highway killer, responsible for mutilating and killing at least five people since 1997 and dumping their bodies along remote highways The Green River Killer, who has claimed at least 49 lives in the Seattle-Tacoma area South Africa's "Phoenix Strangler," suspected of killing 20 women The Twin Cities Killer, responsible for more than 30 murders on the streets of Minneapolis and St. Paul, where the victims were mostly prostitutes Costa Rica's elusive "El Psicópata" (The Psychopath), thought to have murdered at least 19 people in this small, quiet Central American country "The Monster of Florence," responsible for a series of 15 sexual slayings just outside Florence, where all the victims were courting couples