This photo taken on October 8, 2025, shows postdoctoral researcher Lim Li crushing a bed bug into a sample at a laboratory of the Science University of Malaysia (USM) in George Town, on Penang island. Bed bugs often spark itchy scares around the world, but Malaysian scientists have discovered how the much-loathed creepy crawlies can be turned into unlikely crime-busting allies. (Photo by Mohd RASFAN / AFP via Getty Images) / To go with "MALAYSIA-RESEARCH-CRIME-ANIMALS,FOCUS" by Isabelle LEONG