Experts in this issue

STEPHAN HARBORT, police investigator The criminologist and prolific author helps to shed some light on a realm that up until now has remained largely unexamined in specialist literature—the dark domain of female serial killers. PAGE 38 »The water is shooting from the roots up to the crown of the tree. You can even hear the rushing sound with a stethoscope.« PETER WOHLLEBEN, forest ranger The renowned forest expert explores the spectacular processes that begin taking place in the woods in spring. PAGE 28 SHIRLEY MURILLO, research meteorologist Working in conjunction with weather scientists and software engineers, the expert meteorologist conducts real-time wind analysis to increase the accuracy of severe-weather forecasts. PAGE 70 FRANK AHEARN, privacy expert He used to locate people who’d gone into hiding, but today the former skip tracer uses his skills to help people disappear without a trace—for…