Running Amok: Inside the Mind of the Lone Mass Killer

What drives someone to commit the unthinkable? Paul E. Mullen, one of the world’s pre-eminent forensic psychiatrists, examines the complex workings of the lone multiple murderer – a spectre haunting modern societies.

With unflinching clarity, Mullen draws on his decades assessing massacre perpetrators first-hand, bringing readers into a dark landscape populated both by killers who attained the ugly fame they had sought as well as lesser-known but equally chilling cases.

Mullen illuminates the...