Microscopic hairs of a leaf clinging to a murder suspect's jacket is all a forensic botanist needs to crack the case. Discover how two high-profile kidnapping-murder cases in America and Australia were solved using forensic botany and how the field has continued to evolve. You'll also learn the truth behind why the world's most famous fictional detective, Sherlock Holmes, knows so much about poisonous plants. Learn more about your ad choices. Visit megaphone.fm/adchoices